新势力光电供应太赫兹晶体，具有品质高、非线性光学特性强、光电系数大的特点。该系列太赫兹晶体应用广泛，包括：太赫兹发生器、太赫兹探测器、快速光电调制、光参量发生器、1.55μm倍频。

Physical Properties	DAST Crystal
Melting temperature	256℃
Refractive indices@720nm	n1=2.519, n2=1.720, n3=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
Dielectric constants@3KHz	ε1=5.2, ε2=4.1, ε3=3.0
Phase matching for THz Generation	1300-1600nm
Physical Properties	OH1 Crystal
Melting temperature	212℃
Refractive indices@1319nm	n2=1.58, n3=2.15
Nonlinear optical coefficients@1900nm	d333=120±10pm/V
	d223=13±2pm/V
	d322=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
Phase matching for THz Generation	1200-1460nm
Physical Properties	DSTMS Crystal
Melting temperature	250℃
Refractive indices@1550nm	n1=2.07, n2=1.64
Nonlinear Optical Coefficients@1900nm	d111=214±20pm/V
	d122=31±4pm/V
	d212=35±4pm/V
Electro optic coefficients@1900nm	r111=37±3pm/V
Phase matching for THz Generation	1300-1700nm

Photorefractive Crystal KNbO3	Wavelength[nm]	Recording Time(typical)[s]
KNbO3:Fe	488	1
KNbO3:Mn	515	1
	860	3
KNbO3:Fe reduced	488	0.01
	515	0.01
KNbO3:Rh reduced	860	0.5
	1064	50

2012.07.31 ***d
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