Shanghai Yichi Optoelectronic Technology Co., Ltd
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LIS crystal terahertz crystal nonlinear optical crystal
LIS crystal terahertz crystal nonlinear optical crystal
Product details

LilnS2 crystal and lithium indium sulfide crystalIt is effective for 1-12 micron OPOLIS crystalMaterial Science,Suitable for use withOptical parametric oscillator (OPO) and mid infrared laser with frequency difference, pumped by titanium sapphire laser, can achieve 1-12 µ m mid infrared laser output.

Main characteristics

model LIS
Light transmission range, µm
0.35-13.2
Nonlinear coefficient, pm/V
d31=7.25, d24=5.66 @2.3
Symmetry degree Orthorombic, mm2 point group
Unit cellParameters, Å
a=6.893, b=8.0578, c=6.4816
Standard reflectivity 1064 nmnx=2.1305, ny=2.1668, nz=2.1745
532 nmnx=2.2353, ny=2.2841, nz=2.2919

Fundamental frequency of SHG(μm)
x-y, Type II, eoe 2.35 – 6.11

x-z, Type I, ooe

1.78 – 8.22

y-z, Type II, oeo

2.35 – 2.67

y-z Type II, oeo

5.59 – 6.11

Total interval covered

1.617 – 8.71

Optical damage threshold, GW/cm2
1064 nm
(t=14 ns)

40

thermal conductivityk, WM/M°C
kx=6.1 ± 0.3; ky=5.9 ± 0.3; kz=7.4 ± 0.3
Absorption edge of far-infrared at 0.2 transmittance level 2.58 THz at 118 µm

Parameters of optical components

Positioning accuracy, arc min < 30
Parallelism, arc sec < 30
Flatness λ/[email protected]
surface quality, scratch/dig
30/20
application

1. Using a pumped titanium sapphire laser,Perform optical parametric oscillation (OPO)Can obtain 1-12 µ m mid infrared laser output.
2. Mid infrared range(2-12 µm)Generate at different frequencies withinBorn.
3.We canAccording to customer requirements and reflectivity curveProvide appropriate anti reflection/protective coatings.


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