Shanghai Yichi Optoelectronic Technology Co., Ltd
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ZnGeP2 Crystal ZGP Crystal Terahertz Crystal
ZnGeP2 Crystal ZGP Crystal Terahertz Crystal
Product details

Product Introduction

ZnGeP2ZGP single crystal is an efficient nonlinear optical material used for frequency conversion to generate mid infrared and terahertz waves. ZnGeP2Crystals have positive birefringence and can perform phase matched optical parametric frequency conversion in the wavelength range of 0.75um-12.0um. Its useful transmission range is from 2.1 to 10.6 micrometers, with a range as low as 0.04 cm-1Absorption. ZnGeP2Has a large nonlinear optical coefficient and a relatively high laser damage threshold. ZnGeP2Crystals have the following applications:Up conversion of CO through mixing with 1.06mm2Laser light to near-infrared range;: HeLaser radiation generated by CO and CO2; Efficient frequency doublingCO,CO2Pulsed laser (49% frequency doubling)Efficiency 1GW/cm2Light intensity,2ns pulse width,9.52mm wavelength)Under the excitation of erbium laser and holmium laserUsed for the mid infrared bandOPO laser generation.

ZnGeP2The application of crystals

—— CO2Laser second, third, and fourth harmonic generation

——2um and optical pumping are optical parameters generated

——Coherent excitation radiation of terahertz waves in the frequency range of 70um-1000um (0.3-4THz)

Detailed parameters

Transparency range, micrometers 0.75 - 12.0
Point group 42m
Density, g/cm3 4.12
Mohs hardness 5.5
Refractive index:
At 2.00 microns ñØ= 3.1490; ñË= 3.1889
At 4.00 microns ñØ= 3.1223; ñË= 3.1608
At 6.00 microns ñØ= 3.1101; ñË= 3.1480
At 8.00 microns ñØ= 3.0961; ñË= 3.1350
At 10.00 microns ñØ= 3.0788; ñË= 3.1183
At 12.00 microns ñØ= 3.0552; ñË= 3.0949
Nonlinear coefficient, pm/ V Ð36=68.9 (10.6 microns), D36=75.0 (9.6 microns)
Light damage threshold, MW /cm2 60 (10.6 microns, 150 nanoseconds)


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