Altechna和Optogama激光晶体参数比较

作者：时间：2024-04-18

本文对Altechna和Optogama晶体简单进行了同类产品的对比，从两家的官网种类上看，Optogama官网列出的晶体种类较为丰富些，尤其是Optogama激光晶体，非线性晶体，还有调Q晶体的种类；Altechna的官网上列出了激光晶体，非线性晶体，调Q晶体，诸如其他类型的拉曼晶体，光折变晶体，闪烁晶体暂未列出；从可加工的晶体尺寸上看，Altechna可以支持更多尺寸加工，Optogama晶体标品的尺寸比较少。这里只对两家官网都列出的晶体进行比较，如果需要更多类型的晶体请联系我们。

Altechna与Optogama晶体类别对比

	激光晶体	非线性晶体	调Q晶体
Altechna	Nd:YVO₄, Nd:YAG, Nd:YLF, Yb:CaF₂, Yb:YAG, Yb:KGW, Yb:KYW	BBO，LBO，KTP，KDP，DKDP	Cr⁴⁺:YAG, Co:Spinel (Co:MgAl₂O₄)
Optogama	Nd:YVO₄, Nd:YAG, Nd:YLF, Nd:KGW, Yb:CaF₂, Yb:YAG, Yb:KGW, Yb:KYW, Yb:YVO4, Yb:YAB, Yb:YAP, Yb:YLF, 此外还有掺铒Er，铒镱Er,Yb共掺，掺铥Tm，掺铬Cr，掺钛Ti，掺镨Pr，掺钬Ho，铥钬Tm,Ho共掺。	BBO，LBO，KTP，KDP，DKDP，此外还有LiNbO₃，AgGaSe₂, AgGaS₂, ZnGeP₂, GaSe, CdSe, Solid state dye cell	Cr⁴⁺:YAG, Co:Spinel (Co:MgAl₂O₄), V:YAG

此外，除了Optogama激光晶体，Optogama还有拉曼晶体，光折变晶体，闪烁晶体。Altechna官网暂时没有列出上述晶体。

Altechna 与Optogama激光晶体

	Altechna	Optogama
	Nd:YVO4 Crystals
Doping concentration	0.5-3 atm.%	0.1-4 atm.%
Aperture dimensions	1×1-15×15 mm	3×3 mm，L=0.5-5 mm
Crystal orientation	a-cut	a-cut
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/8 @ 632.8 nm
Coatings	Contact us	Contact us
	Nd:YAG Crystals
Doping concentration	0.5-1.1 atm.%	0.6-1.3 atm.%
Aperture dimensions	Φ1-15/3×3 mm, L≤130 mm	Φ3，Φ5，3×3 mm, L=2/3/5/10/50/100 mm
Crystal orientation	c-cut [111]	[111]
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	λ/8 @ 632.8 nm
Extinction Ratio	>28 dB	>28 dB
	Nd:YLF Crystals
Doping concentration	0.4-2 atm.%	1-2 atm.%
Aperture dimensions	1×1-15×15 mm, L≤120 mm	Φ5 mm, L=10/20/50/100 mm
Crystal orientation	c-cut [111]	a-cut, c-cut
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/8 @ 632.8 nm
Transmitted wavefront distortion, P-V	Up to λ/8 @632.8 nm	λ/4 @ 632.8 nm
	Yb:YAG Crystals
Doping concentration	0.2-25 atm.%	1-20 atm.%
Aperture dimensions	Φ1-15 mm	5×5 mm, 1/2/10 mm
Crystal orientation	c-cut [111]	[111]
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/10 @ 632.8 nm
	Yb:CaF2 Crystals
Doping concentration	1-10 atm.%	1-5 atm.%
Aperture dimensions	Φ1-15 mm	Φ3, L=3/5/10 mm
Crystal orientation	-	[111]
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/10 @ 632.8 nm
	Yb:KGW Crystals
Doping concentration	0.5-5 atm.%	1-5 atm.%
Aperture dimensions	1×1-15×15 mm	3×3，5×5，L=2/3/5/10 mm
Crystal orientation	-	Ng-cut; Np(b)-cut and other orientation available
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/10 @ 632.8 nm
	Yb:KYW Crystals
Doping concentration	0.5-10 atm.%	1-100 atm.%
Aperture dimensions	1×1-15×15 mm	3×3，5×5，L=1/2/5 mm
Crystal orientation	-	Ng-cut; Np(b)-cut and other orientation available
Surface quality, S-D	10-5	10-5
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/10 @ 632.8 nm

Altechna 与Optogama非线性晶体

	Altechna	Optogama
	BBO Crystals
Wavelength range	190-2500 nm	188-5200 nm
Aperture dimensions	Φ1-25 mm	6×6 mm, L=0.01-2 mm
Orientation accuracy of cut angle	<30 arcmin	<30 arcmin
Surface quality, S-D	10-5	10-5
Transmitted wavefront distortion, P-V	<λ/8 @ 632.8 nm	<λ/8 @ 632.8 nm
AR Coatings	AR, BBAR, single layer protective	Low dispersion protective coatings or antireflective coatings on both sides
	LBO Crystals
Wavelength range	160-2600 nm	155-3200 nm
Aperture dimensions	Φ1-25 mm	3×3-6×6，L=1-20 mm
Orientation accuracy of cut angle	<30 arcmin	<30 arcmin
Surface quality, S-D	10-5	10-5
Transmitted wavefront distortion, P-V	<λ/8 @ 632.8 nm	<λ/4 @ 632.8 nm
AR Coatings	AR, BBAR, single layer protective	AR coatings on both sides
	KTP Crystals
Wavelength range	350-4400 nm	350-4500 nm
Aperture dimensions	-	3×3-7×7 mm, L=5/10 mm
Orientation accuracy of cut angle	<30 arcmin	<30 arcmin
Surface quality, S-D	10-5	10-5
Transmitted wavefront distortion, P-V	<λ/8 @632.8 nm	<λ/8 @632.8 nm
AR Coatings	-	AR(R<0,25%)532+1064 nm on both faces
	KDP, DKDP Crystals
Wavelength range	160-1800 nm	180-1500 nm, 200-2000 nm
Aperture dimensions	5-100 mm	12×12/15×15 mm, 5/7/13/20 mm
Orientation accuracy of cut angle	<30 arcmin	<30 arcmin
Surface quality, S-D	20-10	20-10
Transmitted wavefront distortion, P-V	<λ/8 @ 632.8 nm	<λ/4 @ 632.8 nm

Altechna 与Optogama被动Q开关晶体/调Q晶体

	Altechna	Optogama
	Cr⁴⁺:YAG Crystals
Wavelength range	800-1200 nm	900-1200 nm
Aperture dimensions	Φ1-12 mm	3×3 mm/Φ3 mm
Orientation accuracy of cut angle	<30 arcmin	<30 arcmin
Surface quality, S-D	10-5	10-5
Transmitted wavefront distortion, P-V	<λ/8 @ 632.8 nm	<λ/4 @ 632.8 nm
AR Coatings	On request	AR(R<0,15%)@1064 nm on both sides
	Co:Spinel (Co:MgAl2O4) Crystals Crystals
Wavelength range	1200-1600 nm	1300-1600 nm
Aperture dimensions	Φ6 mm, 3×3 mm	3×3 mm, 5×5 mm
Absorption coefficient	up to 2.4 cm^-1	up to 2.6 cm^-1
Surface quality, S-D	-	20-10
Surface flatness, P-V	<λ/10 @ 632.8 nm	<λ/8 @ 632.8 nm
Transmitted wavefront distortion, P-V	-	<λ/4 @ 632.8 nm
AR Coatings	Ravg<0.2% @ 1540 nm	AR(R<0,15%)@1535 nm
LIDT (coated)	>50 J/cm² @ 1535 nm	>8 J/cm²@ 1535 nm, 10 ns

上一篇：用于美容激光治疗的光束整形器可消除光束路径上的散斑和热点

Altechna和Optogama激光晶体参数比较

推荐阅读