Rare earth ions doped optical functional glass and application (Invited)

Dongbing He; Lili Hu; Shubin Chen; Jingping Tang; Biao Wang; Liyan Zhang; Xin Wang

doi:10.3788/IRLA20201081

Journals >Infrared and Laser Engineering >Volume 49 >Issue 12 >Page 20201081 > Article

Infrared and Laser Engineering
Vol. 49, Issue 12, 20201081 (2020)

Rare earth ions doped optical functional glass and application (Invited)

Dongbing He, Lili Hu, Shubin Chen, Jingping Tang, Biao Wang, Liyan Zhang, and Xin Wang

Author Affiliations

Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.3788/IRLA20201081 Cite this Article

Dongbing He, Lili Hu, Shubin Chen, Jingping Tang, Biao Wang, Liyan Zhang, Xin Wang. Rare earth ions doped optical functional glass and application (Invited)[J]. Infrared and Laser Engineering, 2020, 49(12): 20201081 Copy Citation Text

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Properties	N21	N31	N41	NAP2	NAP4
Cross section for stimulated emission/pm²	3.4	3.8	3.9	3.7	3.2
Lifetime at 1054 nm/μs	330	310	310	360	360
Central laser wavelength/nm	1053	1053	1053	1052	1052
FWHM for 1053 nm Fluorescence at 290 K/nm	24.0	25.5	25.4	25.4	28.5
Density/g∙cm⁻³	3.4	2.87	2.61	2.76	2.60
Refractive n_d	1.574	1.540	1.5102	1.542	1.530
Non-linear refractive index coeff./esu	1.3×10⁻¹³	1.18×10⁻¹³	1.05×10⁻¹³	1.22×10⁻¹³	1.10×10⁻¹³
Transformation temp./℃	500	450	475	500	545
Thermal coeff. of optical path length（20~100 ℃）/℃	1.9×10⁻⁶	1.4×10⁻⁶	0.3×10⁻⁶	3.6×10⁻⁶	5.0×10⁻⁶
Coeff.of linear thermal expansion（20~100 ℃）/℃	1.2×10⁻⁸	1.27×10⁻⁸	1.34×10⁻⁸	0.96×10⁻⁸	0.71×10⁻⁸
Thermal conductivity (25 ℃)/W∙m.K⁻¹	0.55	0.57	−	0.76	0.88

Table 1.

Properties of Nd³⁺-doped phosphate glass developed by SIOM

上海光机所研制的磷酸盐激光钕玻璃的性能参数

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Properties	EAT14（SIOM）	Cr14(SIOM)
Cross section for stimulated emission/cm²	0.8×10⁻⁶	0.8×10⁻⁶
Lifetime at 1535 nm/ms	7.7-8.0	7.7-8.0
Central laser wavelength/nm	1535	1535
Refractive (1535 nm)	1.524	1.530
Temp. coeff. Refractive index (20~100 ℃)/℃	−1.72×10⁻⁶	−5.2×10⁻⁶
Transformation temp./℃	556	455
Softening temp./℃	605	493
Coeff. of linear thermal expansion (20~100 ℃)/K	0.87×10⁻⁸	1.03×10⁻⁸
Thermal conductivity (25 ℃)/WM⁻¹K⁻¹	0.7	0.7

Table 2.

Properties of Er³⁺-doped phosphate glass developed by SIOM

国内外不同型号铒玻璃产品性能

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Properties	PTRG
Refractive index Nd	1.501837±0.001
Refractive index modulation (△n)	≤10⁻³
Thermal stability/℃	≤400
Thermal conductivity (25 ℃) /W∙m. K⁻¹	0.8
Coeff. of linear thermal expansion（30-100 ℃,10⁻⁷）	93
Transformation temp./℃	460
Softening temp./℃	500
Density/g∙cm⁻³	2.55
Size/mm	<100×100

Table 3.

Properties of photo-thermo-refractive glass

光致热折变玻璃性能参数表

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