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Acta Optica Sinica
Contents
1996
Volume: 16 Issue 9
27 Article(s)
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Fiber Optics and Optical Communications
Dispersion Characteristics of Metal Clad Organic Polymer Waveguide
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The dispersion characteristics of a silver metal clad organics polymer (DR 1/PMMA) waveguide are experimentaly studied by the angle scanning ATR technology. The mode propagation constants of the waveguide are deteminated from the positions and the half width of the ATR resonant absorption dip, and the experimental resu
The dispersion characteristics of a silver metal clad organics polymer (DR 1/PMMA) waveguide are experimentaly studied by the angle scanning ATR technology. The mode propagation constants of the waveguide are deteminated from the positions and the half width of the ATR resonant absorption dip, and the experimental results are consistent with the theoretical calculated values..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1317 (1996)
Get PDF
Holography
Image Noise Reduction by Acousto─Optic Bragg Difraction
We present a simple single-lens image processing system consisting of a Bragg cell to achieve image noise reduction. Experimental results are provided.
We present a simple single-lens image processing system consisting of a Bragg cell to achieve image noise reduction. Experimental results are provided..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1280 (1996)
Get PDF
An Optically Simulated Experimental Study on the Digital Reconstruction of LLFT X-Ray Hologram
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The LLFT X ray holography is studied by optical experimental simulation on the whole process from recording to digital reconstruction. A He Ne laser is used as light source and the recording setup is similar to that in LLFT X ray holography. Experimental results are given and a comparison between digital reconstruction
The LLFT X ray holography is studied by optical experimental simulation on the whole process from recording to digital reconstruction. A He Ne laser is used as light source and the recording setup is similar to that in LLFT X ray holography. Experimental results are given and a comparison between digital reconstruction and optical reconstruction is made. Some problems in this kind of recording style are analyzed. As a result, we point out that in X-ray hologram recording the +1st diffraction of zone plate can be taken as reference point source directly, rather than filtered by a small hole. The feasibility for eliminating the nonlinearity of recording medium is analyzed. The disturbance of the interference from the different diffractions of zone plate is emphasized..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1285 (1996)
Get PDF
Mathematical Morphological Binary Image Parallel Processing Using the Approach of Optical Frequency Filtering by a Complex Valued Kernel
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In this paper, a new approch of using optical frequency filtering to implement mathematical morphological parallel processing of binary image with complex valued kernel structure is reported.
In this paper, a new approch of using optical frequency filtering to implement mathematical morphological parallel processing of binary image with complex valued kernel structure is reported..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1291 (1996)
Get PDF
A Modified ART Reconstructive Technique and Its Application to Three Dimensional Temperature Field
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A modified algebraic reconstructive technique ART is presented. By the computer simulation, relationship between reconstructive precision and views and relationship between reconstructive accuracy and iterations are tested. The results show that this technique has the merits of quick convergence and high reconstructive
A modified algebraic reconstructive technique ART is presented. By the computer simulation, relationship between reconstructive precision and views and relationship between reconstructive accuracy and iterations are tested. The results show that this technique has the merits of quick convergence and high reconstructive precision as compared with ART. Using this technique to the tomography of a three peak temperature field, the three dimensional temperature distribution is reconstructed..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1296 (1996)
Get PDF
Imaging Mechanism and Characteristics of a Novel Photoetching Holographic Recording Material: PCF
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A novel polymer holographic recording material: photoetching cellulose film (PCF) is discussed in this paper. Its stronger real time effect, higher resolution and linear surface relief modulation characteristic are investigated experimentally. The photochemical reaction is analysed by means of ESR and IR spectra, and t
A novel polymer holographic recording material: photoetching cellulose film (PCF) is discussed in this paper. Its stronger real time effect, higher resolution and linear surface relief modulation characteristic are investigated experimentally. The photochemical reaction is analysed by means of ESR and IR spectra, and the photodegradation mechanism of PCF is proved..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1301 (1996)
Get PDF
Instrumentation, Measurement and Metrology
A New Technique for Studying Surface Plasma
[in Chinese], [in Chinese], and [in Chinese]
A new technique for studying surface plasma is reported. With this technique, the phase and amplitude information of the reflection light can be detected as surface plasma is excited. Theory shows that the phase of P polarization can change from 180° to~-120° during the excitation of surface plasma. An optica
A new technique for studying surface plasma is reported. With this technique, the phase and amplitude information of the reflection light can be detected as surface plasma is excited. Theory shows that the phase of P polarization can change from 180° to~-120° during the excitation of surface plasma. An optical heterodyne system for measuring phase and amplitude is set up. Not only phase and amplitude information can be detected at the same time, but also the sensitivity is better than that of the ART method. This new methot can be used for studying LB film and surface sensors..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1322 (1996)
Get PDF
Lasers and Laser Optics
Double T and Traveling Wave Discharge Resonator for the Gas Lasers
[in Chinese], [in Chinese], and [in Chinese]
The double T discharge resonator and traveling wave resonator for the microwave excited gas lasers are proposed. These resonators have the advantages of enhancing the microwave electric field and eliminating the reflection of input microwave from plasma. A very homogeneous discharge can be obtained in the traveling wav
The double T discharge resonator and traveling wave resonator for the microwave excited gas lasers are proposed. These resonators have the advantages of enhancing the microwave electric field and eliminating the reflection of input microwave from plasma. A very homogeneous discharge can be obtained in the traveling wave resonator. Thus the more microwave power can be input into the cavity..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1227 (1996)
Get PDF
Electronic Relaxation of the Exciplex in HCl+Xe Doped Crystalline CO
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The emission spectrum of Xe + 2Cl - in HCl+Xe doped crystalline CO, excited by 308 nm laser, are firstly observated. The cooperative charge transfer absorptions: Xe+HCl+ 2hν → α is demonstrated, and the four body, two photon absorption cross section at 308 nm is ≥5×10 -42 cm 4 s.
The emission spectrum of Xe + 2Cl - in HCl+Xe doped crystalline CO, excited by 308 nm laser, are firstly observated. The cooperative charge transfer absorptions: Xe+HCl+ 2hν → α is demonstrated, and the four body, two photon absorption cross section at 308 nm is ≥5×10 -42 cm 4 s..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1233 (1996)
Get PDF
Control of Self Pulsation in Er
3+
-Doped Fiber Laser
[in Chinese], and [in Chinese]
The self pulsation has been observed and controlled experimentally by means of optical feedback in Er 3+ doped fiber laser (EDFL). The mechanism of generation and control of self pulsation are explained theoretically by the model of two coupled lasers with optical feedback. The results show that the feedback and couple
The self pulsation has been observed and controlled experimentally by means of optical feedback in Er 3+ doped fiber laser (EDFL). The mechanism of generation and control of self pulsation are explained theoretically by the model of two coupled lasers with optical feedback. The results show that the feedback and couple the two orthogonal states of polarization are important for formation and control of optical pulses in EDFL..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1237 (1996)
Get PDF
Nonlinear Optics
Theoretical Study on the SHG of Quantum Dot Doped in Glass
[in Chinese], and [in Chinese]
In this paper, the second harmonic generation(SHG) and the influence of size effect on susceptibility of SHG of quantum dot doped in glass were studied by using statistical theory and quantum mechanics. The result agrees well with the experiment.
In this paper, the second harmonic generation(SHG) and the influence of size effect on susceptibility of SHG of quantum dot doped in glass were studied by using statistical theory and quantum mechanics. The result agrees well with the experiment..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1246 (1996)
Get PDF
Dynamics and Multiplicity of Microparticle Based Persistent Spectral Hole Burning at Room Temperature
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Persistent spectral hole burning was realized at room temperature based on morphology dependent resonances. Rate equations were solved to analyze dynamics of hole burning.According to the solutions and experimental results, effective hole growing rate at different laser power were obtained. Furthermore, multiplicity of
Persistent spectral hole burning was realized at room temperature based on morphology dependent resonances. Rate equations were solved to analyze dynamics of hole burning.According to the solutions and experimental results, effective hole growing rate at different laser power were obtained. Furthermore, multiplicity of hole burning was studied. This technique may be promising in the development of frequency domain optical storage at room temperature in the future..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1250 (1996)
Get PDF
Theoretical Study of Self Trapping of an Optical Beam in Crystal BaTiO
3
[in Chinese], [in Chinese], and [in Chinese]
In this paper, self trapping of a focused optical beam through BaTiO 3 with some external field has been theoretically studied. We find that it is unsuitable for observation of the spatial solitons in conventional cut crystals, in which only the small electro optical coefficent γ 33 is useful. By invesgating self trapp
In this paper, self trapping of a focused optical beam through BaTiO 3 with some external field has been theoretically studied. We find that it is unsuitable for observation of the spatial solitons in conventional cut crystals, in which only the small electro optical coefficent γ 33 is useful. By invesgating self trapping in special cut crystals, the range of the external field for self trapping of the beam and the optimal angle have been given..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1255 (1996)
Get PDF
Anisotropic Conical Diffraction in Doped KNSBN Crystals with Two Incident Beams
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The anisotropic conical diffraction generated by two extraordinary polarized beams with doped KNSBN crystals is reported. An anisotropic diffraction pattern with three diffraction cones has been observed for the first time. And the mechanism of photorefractive four wave mixing involved the incident beams and forward sc
The anisotropic conical diffraction generated by two extraordinary polarized beams with doped KNSBN crystals is reported. An anisotropic diffraction pattern with three diffraction cones has been observed for the first time. And the mechanism of photorefractive four wave mixing involved the incident beams and forward scattered beams satisfying the phase matching condition is proposed. For the experimental geometry in which the two beams incident on the sample symmetrically, we presented the dependence of the diffraction cones on the incident angles. The theoretical analysis agrees well with the experimental results..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1259 (1996)
Get PDF
Studies of Induced Self Pumped Phase Conjugation by an Incoherent Beam in (BaSr)TiO
3
Crystal
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Exprimental results of induced self pumped phase conjugation (ISPPC) by an incoherent beam in photorefractive (BaSr)TiO3 crystal are reported. It is found that the features of ISPPC output depend not only on the parameters of signal beam but also the intensity of induced beam. Optical bistability of ISPPC output is obs
Exprimental results of induced self pumped phase conjugation (ISPPC) by an incoherent beam in photorefractive (BaSr)TiO3 crystal are reported. It is found that the features of ISPPC output depend not only on the parameters of signal beam but also the intensity of induced beam. Optical bistability of ISPPC output is observed under certains conditions. The effects observed are attributed to the local modification of the Fanning geometry of the signal beam by induced beam..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1264 (1996)
Get PDF
Optical Design and Fabrication
Optical Beam Quality Factor of Nonparaxial Light Beams. I. Definition
[in Chinese], [in Chinese], and [in Chinese]
By taking the vectorial property of time average energy flow density and the accurate formula of the light intensity into accout, the first and second intensity moments of the nonparaxial scalar beams are defined. Based on the static scalar wave equation, the propagation law of the second intensity moments of monochrom
By taking the vectorial property of time average energy flow density and the accurate formula of the light intensity into accout, the first and second intensity moments of the nonparaxial scalar beams are defined. Based on the static scalar wave equation, the propagation law of the second intensity moments of monochromatical scalar beams in free space are obtained. A new beam qualty factor for nonparaxial scalar beams is introduced. Moreover, some important aspects of the intensity moments theory are discused..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1217 (1996)
Get PDF
Approximate Model on Transform of Beam Characteristics in Frequency Tripling
[in Chinese], and [in Chinese]
We have investigated on the transform of harmonic beam characteristics such as beam quality M 2 factor, amplitude and phase ripples in the frequency tripling of laser beam with amplitude and phase ripples.Approximate model has been developed. It is applicable in designs of high power laser drivers.
We have investigated on the transform of harmonic beam characteristics such as beam quality M 2 factor, amplitude and phase ripples in the frequency tripling of laser beam with amplitude and phase ripples.Approximate model has been developed. It is applicable in designs of high power laser drivers..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1223 (1996)
Get PDF
Optical Devices
Fabrication of Refractive Microlens Array by Melting Photoresist
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A new method of fabricating refractive microlens by melting photoresist was presented in this paper. The microlens array composed of 20 × 20 F/2 microlens with 90 μm diameter on 100 μm centers have been obtained. The wave aberration of the microlens was estimated less than 1.3 wavelength. The principle of the meth
A new method of fabricating refractive microlens by melting photoresist was presented in this paper. The microlens array composed of 20 × 20 F/2 microlens with 90 μm diameter on 100 μm centers have been obtained. The wave aberration of the microlens was estimated less than 1.3 wavelength. The principle of the method and the design model of refractive microlens are described. The effects of fabrication parameters on the quality of the microlens are discussed..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1326 (1996)
Get PDF
Optimizing Design of All Optical Switches
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
To realize the weak light all optical switch, a series of all optical switch designs, including X switch and intersection switch, are proposed based on coupling mode theory and beam propagation method. It can be used to optimize the all optical switch design for different materials (self focus and defocus), nonlinear i
To realize the weak light all optical switch, a series of all optical switch designs, including X switch and intersection switch, are proposed based on coupling mode theory and beam propagation method. It can be used to optimize the all optical switch design for different materials (self focus and defocus), nonlinear indices and wavelengths..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1332 (1996)
Get PDF
All Fiber Dense Wavelength Division Multiplexers
[in Chinese], and [in Chinese]
The spectral characteristics of all fiber Mach Zehnder interferometer structure are analyzed, and the all fiber dense wavelength division multiplexers (DWDM) with the smallest spacing channel of 0.45 nm are fabricated, using the equipment which we designed for fabricating coupler. The Fabricated DWDM operating waveleng
The spectral characteristics of all fiber Mach Zehnder interferometer structure are analyzed, and the all fiber dense wavelength division multiplexers (DWDM) with the smallest spacing channel of 0.45 nm are fabricated, using the equipment which we designed for fabricating coupler. The Fabricated DWDM operating wavelength in the range from 1530 to 1570 nm exhibits ultra low loss, polarization insensitivity, and good temperature and mechanism stability..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1337 (1996)
Get PDF
Physical Optics
Study of Transform Limited Pulses
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In this paper, the method of gain switched distributed feedback semi conducter laser with Fabry Perot Resonator (FPR) filter to generate transform limited pulses is analyzed theoretically. The filter bands needed to make pulse satisfy transform limited condition for different sourses are obtained and the corresponding
In this paper, the method of gain switched distributed feedback semi conducter laser with Fabry Perot Resonator (FPR) filter to generate transform limited pulses is analyzed theoretically. The filter bands needed to make pulse satisfy transform limited condition for different sourses are obtained and the corresponding output pulse width and spectrum width are calculated. The transform limited pulse is generated experimentally. The influence of resolution of spectrum measuring instrument on measured result is analyzed, and the correction theory is derived..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1306 (1996)
Get PDF
Quantum Optics
Multiphoton Interaction of Two Atoms with a Two Mode Quantum Cavity Field: Field and Atomic Dynamics
[in Chinese], and [in Chinese]
We study the multiphoton interaction of two atoms with two modes of a quantum cavity field. The field and atomic dynamics were analysed. The analytical expressions for the time evolutions of the mean photon number and of the atomic inversion were presented. The effects of the initial field states, the initial field int
We study the multiphoton interaction of two atoms with two modes of a quantum cavity field. The field and atomic dynamics were analysed. The analytical expressions for the time evolutions of the mean photon number and of the atomic inversion were presented. The effects of the initial field states, the initial field intensities, and the dipole dipole coupling of atoms were examined..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1268 (1996)
Get PDF
Analytic Ray Optics Model for Laser Levitation
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Mechanism of optical levitation is discussed. Based on Ray Optics model developed by A.Ashkin, solid analytic geometry method is adopted to calculate the forces of focused single beam laser trap on micron sized transparent dielectric spheres. Magnitude of radiation pressure under various parameter condition is obtained
Mechanism of optical levitation is discussed. Based on Ray Optics model developed by A.Ashkin, solid analytic geometry method is adopted to calculate the forces of focused single beam laser trap on micron sized transparent dielectric spheres. Magnitude of radiation pressure under various parameter condition is obtained through numerical computation. Especially, the effect of polarization direction of laser on radiation pressure is studied, and the mechanics behavior of manipulated sphere under micro gravity conditions is predicted..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1273 (1996)
Get PDF
Rapid Communications
A Soliton Solution for Laser Pulse and Wake Field of Intense Laser Plasma interaction
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A 1D soliton solution for laser pulse and wake field of intense lase plasma interaction is given in the condition of weak relativistic. The thin plasma is assumed being homogeneous.
A 1D soliton solution for laser pulse and wake field of intense lase plasma interaction is given in the condition of weak relativistic. The thin plasma is assumed being homogeneous..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1341 (1996)
Get PDF
[in Chinese]
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
.
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1344 (1996)
Get PDF
Spectroscopy
Enhanced Coalescence of Fullerenes in Bonded and Mixed C
60
+PVK upon UV Laser Ablation
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The photoaggregation dynamics of chemically bonded C 60 PVK and C 60 /PVK mixture was studied by laser ablation TOF mass spectrometry. The enhancement of coalescence of fullerene cages in chemically bonded C 60 PVK and C 60 /PVK charge transfer complex was observed. The results indicated that the bonds between PVK chai
The photoaggregation dynamics of chemically bonded C 60 PVK and C 60 /PVK mixture was studied by laser ablation TOF mass spectrometry. The enhancement of coalescence of fullerene cages in chemically bonded C 60 PVK and C 60 /PVK charge transfer complex was observed. The results indicated that the bonds between PVK chain and fullerene cages are easily broken under laser interaction and the fullerene cages ruptured from the chain are in active excited states favorable to the clustering of the clustering of the cages. The coalescence behavior of the C60/PVK mixture may be caused by the charge tranfer between fullerenes and PVK..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1241 (1996)
Get PDF
Thin Films
Photovoltaic Effects in Organic Polycrystalline Tin Phthalocyanine (SnPc) Film
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The transient photovoltaic properties in the nanosecond region as the function of intensities and wavelengthes of incident light, as well as the spectral dependence of the CW photovoltaic response in Al/a SnPc/ITO sandwich cell have been reported. The CW photovoltaic action spectrum is similar to the absorption spectru
The transient photovoltaic properties in the nanosecond region as the function of intensities and wavelengthes of incident light, as well as the spectral dependence of the CW photovoltaic response in Al/a SnPc/ITO sandwich cell have been reported. The CW photovoltaic action spectrum is similar to the absorption spectrum. The magnitude, polarity and response time of the transient photovoltage are found to be dependent on the intensity and wavelength of the incident light. The mechanism for this transient photovoltaic effects is briefly discussed..
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Acta Optica Sinica
Publication Date: Jan. 01, 1900
Vol. 16, Issue 9, 1312 (1996)
Get PDF
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Fiber Optics and Optical Communications
Holography
Instrumentation, Measurement and Metrology
Lasers and Laser Optics
Nonlinear Optics
Optical Design and Fabrication
Optical Devices
Physical Optics
Quantum Optics
Rapid Communications
Spectroscopy
Thin Films