Journals >Chinese Journal of Lasers
Contents
1994
Volume: 21 Issue 8
17 Article(s)
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Research Article
Calculation of Third-order Dispersion in a Femtosecond Continuous Wave Mode-locked Laser
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Exact expressions of second-and third-order dispersions of optical components in a femtosecond continuous wave mode-locked laser are derived out.The dispersion values and their signs of intracavity main dispersion elements are also calculated.Exact expressions of second-and third-order dispersions of optical components in a femtosecond continuous wave mode-locked laser are derived out.The dispersion values and their signs of intracavity main dispersion elements are also calculated..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 624 (1994)
Lead Zirconate Titanate Thin Films Produced by Pulsed Excimer Laser Deposition
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
It is a new technology to combine the laser with the thin film deposition. Lead zirconate titanate (PZT) films were successfully deposited on the Si(100) and SiO2/Si substrates by pulsed eximer laser (λ=193 nm) deposition at 5 Hz, 4 J/cm2 and then annealed by RTA at various conditions.The structure, composition and thiIt is a new technology to combine the laser with the thin film deposition. Lead zirconate titanate (PZT) films were successfully deposited on the Si(100) and SiO2/Si substrates by pulsed eximer laser (λ=193 nm) deposition at 5 Hz, 4 J/cm2 and then annealed by RTA at various conditions.The structure, composition and thickness of the films were measured by XRD, RBS and ASR respectively..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 631 (1994)
Multiple Vernier Etalons
[in Chinese], [in Chinese], and [in Chinese]
The principle of measuring the wavelength of continuous wave tunable laser by using multiple vernier etalons is proposed.A wavemeter was constructed by two VETs and a simple grating monochromator and its accuracy is proved to be better than 1×10-6 by the experiment. Based on these, a novel compact wavemeter constrThe principle of measuring the wavelength of continuous wave tunable laser by using multiple vernier etalons is proposed.A wavemeter was constructed by two VETs and a simple grating monochromator and its accuracy is proved to be better than 1×10-6 by the experiment. Based on these, a novel compact wavemeter constructed by a triple VET was designed..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 635 (1994)
Optical Detection of Solid Surface Ultrasonic Pulse Using Confocal Fabry-Perot Interferometer
[in Chinese], [in Chinese], and [in Chinese]
A confocal Fabry-Perot interferometer with the cavity length of about 30 cm and the bandwidth of 6 MHz is developed.The detection principle of the ultrasonic of solid surface using Fabry-Perot interferometer and its properties are described.The experimentalresults are pressented.A confocal Fabry-Perot interferometer with the cavity length of about 30 cm and the bandwidth of 6 MHz is developed.The detection principle of the ultrasonic of solid surface using Fabry-Perot interferometer and its properties are described.The experimentalresults are pressented..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 639 (1994)
The XeCl Excimer Laser Induced Damage Properties of the UV Silica Fiber
[in Chinese], [in Chinese], and [in Chinese]
The measurement of the XeCl excimer laser induced damage properties of the UV silica fibers is made. The theoretical analysis is also investigated correspondingly.The measurement of the XeCl excimer laser induced damage properties of the UV silica fibers is made. The theoretical analysis is also investigated correspondingly..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 645 (1994)
Imaging Characteristics of the Flat-field Grating
[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
The general expression of the optical path function and whole aberration of the variable line spacing concave grating is given. The spectral image of our flat-field grating spectrometer, which employs the HITACHI flat-field grating,is investigated.The typical experimental results of the two operation modes of the spectThe general expression of the optical path function and whole aberration of the variable line spacing concave grating is given. The spectral image of our flat-field grating spectrometer, which employs the HITACHI flat-field grating,is investigated.The typical experimental results of the two operation modes of the spectrometer (i.e. the astigmatic mode and stigmatic mode) are displayed..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 667 (1994)
Intensity Distribution of Pinhole Array Far-field Diffraction
[in Chinese], [in Chinese], and [in Chinese]
In this paper, the intensity distribution function of Pinhole Array diffraction of monochromatic light illuminating in Fraunhofer approximation is exactly calculated. Some new results are given, and the applicable condition of Pinhole Array far-field diffraction is described.In this paper, the intensity distribution function of Pinhole Array diffraction of monochromatic light illuminating in Fraunhofer approximation is exactly calculated. Some new results are given, and the applicable condition of Pinhole Array far-field diffraction is described..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 673 (1994)
Analytical Research of Space-time Nature of the Self-focusing for Femtosecond Pulse
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Nonlinear Schrodinger equation for 2+1 dimensions space-time is derived under the suppose of cylindrical symmetry. The analytical solution of the light beam propagation in a dispersive medium is obtained and the focus location of self-focusing is given.Nonlinear Schrodinger equation for 2+1 dimensions space-time is derived under the suppose of cylindrical symmetry. The analytical solution of the light beam propagation in a dispersive medium is obtained and the focus location of self-focusing is given..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 678 (1994)
Estimation of the Amount of Information for the Optical System of a Confocal Laser Scanning Microscope
[in Chinese], and [in Chinese]
By using the eigen-theory method of optical information theory, the imaging relationship of the optical system of a confocal laser scanning microscope is discussed. The expressions of the amount of information are given when the system is aberrationless and aberrated, respectively.By using the eigen-theory method of optical information theory, the imaging relationship of the optical system of a confocal laser scanning microscope is discussed. The expressions of the amount of information are given when the system is aberrationless and aberrated, respectively..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 683 (1994)
Holography and Information Processing
Real-time Image Differentiation Using a Liquid Crystal Light Valve
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
A real-time2 D image differentiation using the transforming function of LCLV is presented. The real-time image differentiating is performed with the nonlinear transforming ability of LCLV only by changing its biasing voltage. The nonlinear property of LCLV is explained from its structure and the experimental results ofA real-time2 D image differentiation using the transforming function of LCLV is presented. The real-time image differentiating is performed with the nonlinear transforming ability of LCLV only by changing its biasing voltage. The nonlinear property of LCLV is explained from its structure and the experimental results of two methods are given..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 657 (1994)
Study on Performances and Mechanism of Frequency Domain Optical storage for a Highly-efficient Orgsnic Photon-gated Hole Burning Material
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Performances and mechanism of frequency domain optical storage were studied on a highly-efficient organic photon-gated spectral hole burning material Zn-tetrabenzoporphyrin/crotonic acid/phenoxy resin (ZnTBP/CA/PhR) film. Extremely deep holes were burnt on the broat Q(0,0) band. Data writing, reading,erasing and longtePerformances and mechanism of frequency domain optical storage were studied on a highly-efficient organic photon-gated spectral hole burning material Zn-tetrabenzoporphyrin/crotonic acid/phenoxy resin (ZnTBP/CA/PhR) film. Extremely deep holes were burnt on the broat Q(0,0) band. Data writing, reading,erasing and longterm storage at 4.2 K were demonstrated. Photo-product was detected and laser induced donor-acceptor electron transfer was evidenced responsible for the hole formation..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 661 (1994)
Laser Manufacturing
Experimental Study of Hot Curing of Si-wafers by Laser
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In this paper laser gettering technique is introduced.Its principle is analysed and some experimental results are presented. This technique is now on trial in a transistor'S production line.In this paper laser gettering technique is introduced.Its principle is analysed and some experimental results are presented. This technique is now on trial in a transistor'S production line..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 688 (1994)
Laser Physics
An Analytical Expression for the Stable Locking Range of an Injection-locked Semiconductor Laser
[in Chinese]
An analytical expression for the stable locking range of an injection-locked semiconductor laser in presented. The expression is only related to the free-running laser parameters and the injected power.An analytical expression for the stable locking range of an injection-locked semiconductor laser in presented. The expression is only related to the free-running laser parameters and the injected power..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 613 (1994)
All-solid-state Intracavity Frequency Doubled Nd:YVO4 Laser of Single-frequency Operation
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
By using a miniature cavity and KTP cristal,an efficient intracavity frequency doubled Nd:YVO4 laser, "face to face" pumped by a laser diode has been established.The measured single-transversal TEMoo mode and single-longitudinal-mode SHG maximum outputS are 7.3 mW and 1.5 mW respectively.The threshold pump poBy using a miniature cavity and KTP cristal,an efficient intracavity frequency doubled Nd:YVO4 laser, "face to face" pumped by a laser diode has been established.The measured single-transversal TEMoo mode and single-longitudinal-mode SHG maximum outputS are 7.3 mW and 1.5 mW respectively.The threshold pump power is 12 mW and a total optical conversion efficiency of 1.9% for the second harmonic generation has beer obtained..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 617 (1994)
The Characteristic Study of High-efficiency Nd:YVO4Laser
[in Chinese], [in Chinese], and [in Chinese]
The diode-laser end-pump lasing of Nd:YVO4 was reported. The low threshold (54 mW) and high output power (TEM00 mode 273 mW) are observed. 41% optical slope efficiency is obtained.The length of Nd:YVO4 crystal is 1 mm with Nd3+ concentration 1%.The diode-laser end-pump lasing of Nd:YVO4 was reported. The low threshold (54 mW) and high output power (TEM00 mode 273 mW) are observed. 41% optical slope efficiency is obtained.The length of Nd:YVO4 crystal is 1 mm with Nd3+ concentration 1%..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 621 (1994)
Optimization of the Gain Coefficient in Anti-Stokes Raman Conversion
[in Chinese]
The competition between stimulated Raman scattering and anti-Stokes Raman conversion is studied.The optimization of the Raman gain coefficient in anti-Stokes conversion is discussed.The competition between stimulated Raman scattering and anti-Stokes Raman conversion is studied.The optimization of the Raman gain coefficient in anti-Stokes conversion is discussed..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 649 (1994)
Performance of Optical Limiting in C60with ps Pulse
[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]
In this paper, optical limiting in C60-toluene solution for ps pulse is studied andproved to be induced from singlet excited-state-absorption. Compared with optical limiting based on triplet excited-state-absorption,this kind of optical limiting has the advantages of lower clamped energy and quicker response. The experIn this paper, optical limiting in C60-toluene solution for ps pulse is studied andproved to be induced from singlet excited-state-absorption. Compared with optical limiting based on triplet excited-state-absorption,this kind of optical limiting has the advantages of lower clamped energy and quicker response. The experimental results coincide with the theoretical calculations..
Chinese Journal of Lasers
- Publication Date: Jan. 01, 1900
- Vol. 21, Issue 8, 653 (1994)
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