粉體行業在線展覽
粉體行業在線展覽
光學級鈮酸鋰晶體
直接聯系
中國科學院上海光學精密機械研究所
上海
面議
上海光學
光學級鈮酸鋰晶體
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鈮酸鋰晶體是一種重要的多功能晶體，具有良好的非線性光學性質，其非線性光學系數較大；而且能夠實現非臨界相位匹配。作為電光晶體，已經作為重要的光波導材料；作為壓電晶體，可以應用于制作中低頻SAW濾波器，大功率耐高溫的超聲換能器等。摻雜鈮酸鋰材料應用也相當廣泛。Mg:LN，可以大大提高抗激光損傷閾值，促進了鈮酸鋰晶體在非線性光學領域的應用；Nd:Mg:LN晶體，可實現自倍頻效應；Fe:LN晶體可用在光學體全息存儲。
LiNbO3Crystals is widely used as frequency doublers for wavelength > 1um and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices. Due to its large Elector-Optic (E-O) and Acousto-Optic (A-O) coefficients, LiNbO3crystal is the most commonly used material for Pockel Cells, Q-switches and phase modulators, waveguide substrate, and surface acoustic wave (SAW) wafers, etc.
應用領域Applications
集成光學波導Integrated Waveguide Photonics
波導型激光器Wave Guide Lasers
光隔離器用楔角片Polarizer for Optic Isolator
電光波導相位調制器EO Waveguide Phase Modulators
電光波導強度調制器EO Waveguide Amplitude Modulators
準相位匹配激光倍頻器件和光參量振蕩器Quasi-phase Matching for SHG and OPO
基本性質（Basic Properties）
晶體結構Crystal Structure | Trigonal, point group3m |
晶格常數Lattice Parameters | a=5.148, c=13.863 |
密度Density | 4.64g/cm3 |
熔點Melting Point | 1250℃ |
居里溫度Curie Point | 1142±2℃ |
硬度Mohs Hardness | 5 |
介電常數Dielectric Constant | ε11/ε0=85;ε33/ε0=29.5 |
電阻系數Thermal Conductivity | 38W/m/℃at25℃ |
熱膨脹系數 Thermal Expansion Coefficient | a1=a2=2×10-6/℃, a3=2.2×10-6/℃at25℃ |
壓電常數 Piezoelectric Strain Constant | d22=2.04×10-11C/N,d33=0.6×10-11C/N,d15=7X10-11C/N，d31=-0.1X10-11C/N |
Elastic Stiffness Constant | C11E=2.04×1011N/m2,C33E=2.46×1011N/m2, |
光學級鈮酸鋰晶片（Optical Grade LiNbO3Wafer）
軸向Orientation | X-cut | Z-cut |
直徑 Diameter
| 76.2mm±0.3mm 100.0mm±0.3mm | 76.2mm±0.3mm 100.0mm±0.3mm |
基準面 Orientation Flat(OF) | 22mm±2mm 22mm±2mm Perpendicular to X ± 0.2° | 22mm±2mm 22mm±2mm Perpendicular toX±0.2° |
第二基準 Second Refer. Flat(RF) | Cw225°±0.5°from OF Cw315°±0.5°from OF | Cw225°±0.5°from OF Cw270°±0.5°from OF |
厚度 Thickness | 500um±5um 1000um±5um | 500um ± 5um 1000um ± 5um |
表面質量 Surface Quality | 雙面拋光 Double sides polished S/D 20/10 | 雙面拋光 Double sides polished S/D 20/10 |
TTV | ≤10um | |
WARP | ≤50um | |
居里溫度 Curie Temperature | 1142±0.7℃ | |
折射率 Refractive Index | n0=2.2878±0.0002ne=2.2033±0.0002 prism coupler method @632.8nm | |
邊緣倒角 Edge Beveling | Edge rounding | |
