LN Lithium Niobate (LiNbO3) Crystal SAM wafer
- Category: Integrated Circuits olds >>>
- Supplier: Beijing Scitlion Technology Corp. Ltd.
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Product Overview
Description
LiNbO3 Crystal is widely used as frequency doublers for wavelength > 1μm and optical parametric oscillators (OPO) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices. Due to its large Electro-Optic (E-O) and Acousto-Optic (A-O) coefficients, LiNbO3 crystal is the most popular material for Pockel Cells, Q-switches and phase modulators, waveguide substrate and surface acoustic wave (SAW) wafers, etc.
CASTON Inc. provides LiNbO3 crystals with high quality and large sizes for laser frequency doublers, OPOs and quasi-phase-matched doublers as well as waveguide substrates and SAW wafers. High quality LiNbO3 components with apertures of (2-15) × (2-15) mm² and length up to 50 mm for frequency doublers and optical parametric oscillators (OPOs), 50×50×1mm³ or Dia. 3" × 1mm LiNbO3 substrate for waveguide optics and Dia. 3" SAW wafers are available with large volume and at low price.
Cutting Angle | Deg. | X/Y/Z/Y36/Y42/Y48/X112 etc | |
Diameter/size | mm | 3”/76.2 | 4”/100 |
Tol(±) | mm | 0.25 | 0.5 |
Thickness | mm | 0.10mm or more | 0.18mm or more |
Primary reference flat | mm | 22mm or customized | 32.5mm or customized |
LTV (5mmx5mm) | µm | < 2 | < 2 |
TTV | µm | < 8 | < 10 |
Bow | µm | ±20 | ±25 |
Warp | µm | ≤ 30 | ≤ 40 |
PLTV | % | ≥95%(5mm*5mm) | ≥95%(5mm*5mm) |
Orientation Flat | All available | ||
Surface Type | Single Side Polished /Double Sides Polished | ||
Polished side Ra | nm | ≤1 | |
Back Side Criteria | µm | General is 0.2-0.5 or as customized | |
Edge Rounding | mm | Compliant with SEMI M1.2 Standard/refer to IEC62276 | |
Crystal symmetry | Trigonal, 3m |
Lattice constant, A | a = 5.154 c = 13.783 |
Density, g/cm3 | 7.45 |
Melting point , °C | 1650 |
Curie point , °C | 605 |
Mohs hardness | 6 |
Thermal expansion coefficient, 10-6/ °C | aa = 16 ac = 4 |
Thermal conductivity , mW/cm °C | 46 |
Dielectric Constant (@ 100 KHz) | ea = 54 ec = 43 |
Refractive indices @ 633 nm | no = 2.175 ne = 2.180 |
Pyroelectric Coefficient: | -2.3 10-4 C/°C/m2 |
1. Lithium niobate is used extensively in the telecoms market:
a) in mobile telephones and optical modulators. It is the material of choice for the manufacture of surface acoustic wave devices.
b) in laser frequency doubling, nonlinear optics, Pockels cells, optical parametric oscillators, Q-switching devices for lasers, other acousto-optic devices, optical switches for gigahertz frequencies
c) It is an excellent material for manufacture of optical waveguides.
2. It's also used in the making of optical spatial low-pass (anti-aliasing) filters.
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