KGW/ Ba(NO₃)₂ Ba (NO₃)₂ 1064 nm
Fuzhou Jingzhi's barium nitrate (Ba(NO₃)₂) and undoped potassium gadolinium tungstate (KGd(WO₄)₂, KGW) crystals are noted for excellent stimulated Raman scattering (SRS), enabling laser frequency conversion and an extended tuning range. Crystal-based SRS is fully compatible with current all-solid-state laser technology, offering a very simple, compact frequency-conversion solution.
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Overview
Fuzhou Jingzhi's barium nitrate (Ba(NO₃)₂) and undoped potassium gadolinium tungstate (KGd(WO₄)₂, KGW) crystals are noted for excellent stimulated Raman scattering (SRS), enabling laser frequency conversion and an extended tuning range. Crystal-based SRS is fully compatible with current all-solid-state laser technology, offering a very simple, compact frequency-conversion solution.
Specifications
| Parameter | Value |
|---|---|
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Specifications -1 Stoke | 1197 |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Specifications -2 Stoke | 1369 |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Specifications -3 Stoke | 1599 |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Specifications -4 Stoke | 1924 |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Specifications -1 Antistoke | 957 |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Parameters - Typical Efficiency [1 Stoke] | 35–70 % |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Parameters - Typical Efficiency [2 Stoke] | 20–40 % |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Parameters - Typical Efficiency [3 Stoke] | 10–15 % |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Parameters - Typical Efficiency [4 Stoke] | <10 % |
| KGW and Ba (NO₃)₂ Crystal Raman Wavelength Parameters - Typical Efficiency [1 Antistoke] | 10–30 % |
Key Features
Barium nitrate (Ba(NO₃)₂) has the highest Raman gain coefficient, which directly determines the Raman laser threshold. Its thermal lensing is therefore pronounced, with a large refractive-index temperature coefficient (∂n/∂T) and low thermal conductivity. KGW has much weaker thermal effects and a high damage threshold, making it suitable for power scaling. For Raman applications with nanosecond and longer pulses, Ba(NO₃)₂ is more suitable; for shorter pulses, KGW has advantages.
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Supplier Information
Jingzhi Optoelectronics is a high-tech enterprise focusing on the R&D and production of optoelectronic materials and core devices. Aiming to break through the "bottleneck" technologies of high-end laser crystal materials and devices, the company is committed to achieving domestic substitution of key materials in fields such as semiconductor lithography and precision micromachining. Its main products include magneto-optical crystals (KTF, CeF₃), deep ultraviolet nonlinear optical crystals (modified BBO, CLBO), and high-power laser isolators, which are widely used in high-power laser systems, semiconductor lithography, EUV light sources, laser detection, defense, and new energy fields.
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