Optical Litao3 Lithium Tantalate Crystal Lens For Optical Instrument

Name: Optical Litao3 Lithium Tantalate Crystal Lens For Optical Instrument
Brand: Crystro
Price: 20 USD

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Brand Name :	Crystro
Model Number :	CR211201-03
Certification :	SGS/COC
Price :	USD 20~200/pc
Payment Terms :	T/T, Western Union, MoneyGram, Paypal
Supply Ability :	2000pcs per month
Delivery Time :	4-5 weeks

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Optical Litao3 Lithium Tantalate Crystal Lens For Optical Instrument

Optical Litao3 (Lithium Tantalate) Crystal Lens for Optical Instrument

LiTaO3 is an E-O crystal widely used for E-O devices, due to its good optical NLO and E-O properties, as well as high damage threshold. CASTECH supplies high quality LiTaO3 boules and wafers with the following specifications for standard applications. We can also offer other specifications upon request.

Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensorssuch as motion detectors, terahertz generation and detection, surface acoustic waveapplications, cell phones and possibly pyroelectric nuclear fusion. Considerable information is available from commercial sources about this salt.

Anhui Crystro participate in the kinds exhibitions every year: Laser World of Photonics Munich, Shanghai, Photonics West in San Francisco, CIOE in Shenzhen, etc.

Basic Properties of LiTaO3:

Crystal Structure	Trigonal, Space group R3c, Point group 3m
Cell Parameters	a=5.154Å,c=13.781Å
Melting Point	1650℃
Curie Temperature	607℃
Mohs Hardness	5.5
Density	7.46g/cm3
Dielectric Constants	ε11/ε0:51.7
Dielectric Constants	ε33/ε0:44.5
Elastic Stiffness Coefficients	CE11:2.33(×1011N/m2)
Elastic Stiffness Coefficients	CE33:2.77(×1011N/m2)
Piezoelectric Strain Constants	d22:2.4(×10-11C/N)
Piezoelectric Strain Constants	d33:0.8(×10-11C/N)
Transmission range	400-4500nm
Electro-optical coefficients	r33=30.4pm/V
Refractive index at 632.8nm	no=2.176,ne=2.180

Typical Specifications

Specifications	Boule		Wafer
Diameter	Φ3''	Φ4''	Φ3''	Φ4''
Length or Thickness (mm)	≤100	≤50	0.35-0.5
Orientation	127.86°Y,64°Y,135°Y,X,Y,Z, and other cut
Ref.Flat Orientation	X,Y
Ref.Flat Length	22±2mm	32±2mm	22±2mm	32±2mm
Front Side polishing	/		Mirror polished 5-15 Å
Back Side Lapping	/		0.3-1.0μm
Flatness (μm)	/		≤15
Bow (μm)	/		≤25

Crystro can offer other size and specification of wafers upon request.

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