太赫茲晶體

新勢(shì)力光電供應(yīng)太赫茲晶體，包括：DAST、OH1、DSTMS。該系列THz太赫茲晶體具有如下特點(diǎn)：非線性光學(xué)系數(shù)大、光電系數(shù)大、光電響應(yīng)快、晶體品質(zhì)高、1.2-1.6μm泵浦波長(zhǎng)優(yōu)化、700-800nm泵浦波段可選，廣泛應(yīng)用于：光整流太赫茲發(fā)生器、非線性光學(xué)差頻太赫茲發(fā)生器、太赫茲探測(cè)器。

THz Frequency Ranges for Generator Materials



Spectal Bandwidth(measured by Rainbow Photonics instruments)



THz Frequency Range for Different Pump Pulidth

 

Physical Properties	DAST Crystal
	DAST: 4-N,N-dimethylamino-4’-N’-methyl-stilbazolium tosylate
Phase matching for THz Generation	720-1650nm
Efficient THz generation and detection	0.3-16THz
Melting point	256℃
Refractive indices	n1(720nm)=2.519
	n2(720nm)=1.720
	n3(720nm)=1.635
Nonlinear optical coefficients	d11(1318nm) = 1010pm/V
	d11(1542nm)=290pm/V
	d26(1542nm)=39pm/V
Electro optic coefficients	r11(720nm)=92pm/V
	r11(1313nm)=53pm/V
	r11(1535nm)=47pm/V
Physical Properties	OH1 Crystal
	OH1: (2-(3-(4-Hydroxystyryl)-5,5-dimethylcyclohex-2-enylidene)malononitrile)
Phase matching for THz Generation	1200-1460nm
Efficient THz generation and detection	0.1-10THz
Melting point	212℃
Refractive indices	n2(1319nm)=1.58
	n3(1319nm)=2.15
Nonlinear optical coefficients	d333(1900nm)=120±10pm/V
	d223(1900nm)=13±2pm/V
	d322(1900nm)=8.5±2pm/V
Electro optic coefficients	r333(633nm)=109±4pm/V
	r333(785nm)=75±7pm/V
	r333(1064nm)=56±2pm/V
	r333(1319nm)=52±7pm/V
Physical Properties	DSTMS Crystal
	DSTMS: 4-N,N-dimethylamino-4’-N’-methyl-stilbazolium 2,4,6-trimethylbenzenesulfonate
Phase matching for THz Generation	720-1650nm
Efficient THz generation and detection	0.3-16THz
Melting point	250℃
Refractive indices	n1(1550nm)=2.07
	n2(1550nm)=1.64
Nonlinear optical coefficients	d111(1900nm)=214±20pm/V
	d122(1900nm)=31±4 pm/V
	d212(1900nm)=35±4pm/V
Electro optic coefficient	r111(1900nm)=37±3 pm/V

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