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激光晶体

晶体最适用于激光应用。 UNI OPTICS提供以下晶体产品。

1.激光晶体和棒:YAG晶体,Nd:YVO4晶体
2.非线性晶体:BBO,KTP,LiNbO3,LBO。KDP&DKDP
3.双折射晶体:YVO4,a-BBO,方解石。


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相关产品
Optical color less glass
光学玻璃
光学玻璃可以改变光的方向,以及紫外光,可见光或红外光的相对光谱分布。光学玻璃材料是最常见的类型,因为它具有优异的光学性能,如高透光性和环境稳定性。
Colored Glass Substrates
有色玻璃(截至型,选择吸收型,中性密度型)

UNI Optics供应材料包括中性密度,短程,长通,带通,紫外线,红外线,吸热和色温转换滤光片。

UN Grade Fused Silica
融石英
融石英由硅和氧的化学结合形成。 熔融石英是一种完美的光学材料,因为它具有良好的紫外和红外透射率,低热膨胀系数。 它具有高稳定性,耐大温度偏移,宽温度工作范围和高激光损伤阈值的热冲击。
IR Optics material
红外材料

1.  Germanium (Ge)


Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8–12 μm wavelength band. Its high refractive index makes Ge ideal for low power imaging systems because of minimum surface curvature. Chromatic aberration is small, often eliminating the need for correction.

 

Crystallographic properties
Syngony Cubic
Crystal Form Poly or Single Crystal
Lattice Constant 5.66
Cleavability <111>, non-perfect
Molecular Weight 72.6
Physical properties
Density, at 20 °C 5.33
Hardness, Mohs 6.3
Dielectric Constant for 9.37 × 109 Hz at 300 K 16.6
Melting 937
Thermal Conductivity, W/m·K at at 293 K 59
Thermal Expansion, 1/K at 298 K 6.1 × 10-6
Specific Heat Capacity, J/(kgK) at 273-373 K 0.074
Bandgap, eV 0.67
Knoop Hardness, kg/mm2 800
Youngs Modulus, Gpa 102.66
Shear Modulus, GPa 67.04
Bulk Modulus, GPa 77.86
Debye Temperature, K 370
Poissons Ratio 0.278
Elastic Coefficient C11=129, C12=48.3, C44=67.1
Apparent Elastic Limit 89.6 MPa (13000psi)
Chemical properties
Solubility in water None
Solubility in acids Soluble
Molecular Weight 72.59

2. Silicon (Si) 


Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an absorption band at 9 microns.To avoid this, material can be prepared by a Float-Zone (FZ) process. Optical silicon is generally lightly doped (5 to 40 ohm cm) for best transmission above 10 microns, and doping is usually boron (P-type) and phosphorus (N-type). After doping silicon has a further pass band: 30 to 100 microns which is effective only in very high resistivity uncompensated material.
 
CZ Silicon is commonly used as substrate material for infrared reflectors and windows in the 1.5-8 micron region. The strong absorption band at 9 microns makes it unsuitable for CO2 laser transmission applications, but it is frequently used for laser mirrors because of its high thermal conductivity and low density. Application as window, lens in the 1.5 - 8 um region; Mirror for CO2 laser and spectrometer applications.
 

Crystallographic properties
Syngony Cubic
Lattice Constant, A 5.43
Physical properties
Density 2.33g/cm3
Hardness, Mohs 7
Dielectric Constant for 9.37 x 109 Hz 13
Melting point, оС 1414
Thermal Conductivity, W/m·K at 313 K 163
Thermal Expansion, 1/K at 293 K 2.6x10-6
Specific Heat Capacity, J/(kg°C) 712.8
Bandgap, eV 1.1
Knoop Hardness, kg/mm2 1100
Youngs Modulus, Gpa 130.91
Shear Modulus, GPan 79.92
Bulk Modulus, GPa 101.97
Debye Temperature, K 640
Poissons Ratio 0.28
Chemical properties
Solubility in water None
Molecular Weight 28.09

3、ZnS material:


ZnS MultiSpectral Under intense heat and pressure, defects within the crystalline lattice are virtually eliminated, leaving a water-clear material with minimal scatter and high transmission characteristics from 0.4 to 12 microns. This material is particularly well suited for high-performance common aperture systems that must perform across a broad wavelength spectrum.

Specifications:

Material: ZnS MultiSpectral
Diameter Tolerance: --------------------- +0.0, -0.1mm
Thickness Tolerance: -------------------- ±0.1mm
Clear Aperture: ---------------------------->85%
Parallelism: -----------------------------------3 arc minute
Surface Quality: ----------------------------80-50 scratch and dig
Wavefront Distortion: -------------------- λ /2 per 25mm @633mm
Bevel: -----------------------------------------Protective  (<0.2mm x 45° )
Coating: -------------------------------------- Optional (Uncoated, AR Coating, etc.)


4. ZnSe material


ZnSe is a preferred material for lenses, windows, output couplers and beam expanders for its low absorptivity at infrared wavelengths and its visible transmission. For high-power applications, it’s critical that the material bulk absorption and internal defect structure be carefully controlled, that minimum-damage polishing technology be employed, and the highest quality optical thin-film coatings are used. The material absorption is verified by CO2 laser vacuum calorimetry. Our quality assurance department provides testing and specific optics certification on request.

ZnSe is non-hygroscopic and chemically stable, unless treated with strong acids. It’s safe to use in most industrial field, and laboratory environments.



平凹透镜
光学玻璃平凹透镜

平面凹透镜是光束扩散,光投影,或扩大光学系统焦距的理想选择,它是一种焦距为负的光学透镜,有一个凹面平面朝向所需焦平面。平凹透镜适用于一系列的应用和各种行业福州优恩立光电能够按客户要求为平凹透镜提供各种镀膜


定制平凹圆型柱面镜
平凹圆型柱面镜

平凹柱面镜为合成光束扩散及其广泛应用提供了单轴负成像。如果需要柱面镜凹面作为反射镜,这些透镜可用作镜坯。

镀增透膜BK7直角棱镜
镀宽带增透膜的斜边直角棱镜

直角棱镜通常用于改变光路,或用于将光束重新定向90°。直角棱镜是设计成90°角的棱镜,根据棱镜的方向产生倒置或反转的左手图像,同时使用两个直角棱镜是理想的使图像或光束位移的应用这些棱镜也被称为镜像反射棱镜

中性密度滤光片
光学玻璃中性密度滤光片
中性密度滤光片让摄影师非常容易地控制图像中的曝光。该滤光片阻止光线到达相机传感器,因此我们可以让相机在更长的时间内保持更大的通光孔径。
强脉冲滤光片
IPL滤光片

IPL滤光片是IPL(强脉冲光)机器的关键光学元件,可阻挡紫外波,并为激光设备传输400nm1200nm的有用波,如光子嫩肤脱毛血管和痤疮治疗皮肤再生


UN Grade Fused Silica
融石英
融石英由硅和氧的化学结合形成。 熔融石英是一种完美的光学材料,因为它具有良好的紫外和红外透射率,低热膨胀系数。 它具有高稳定性,耐大温度偏移,宽温度工作范围和高激光损伤阈值的热冲击。
蓝宝石窗片
镀增透膜蓝宝石窗片

蓝宝石窗片在高温下保持高强度,具有良好的热性能和卓越的透明度。它在高达1000°C的温度下对常见的酸和碱具有耐化学性,对于低于300°C的氟化氢也具有耐化学性。 这些特性促使其广泛用于需要在从真空紫外线到近红外范围内的进行光传输的恶劣环境中。

微型元件棒透镜
棒透镜

用于光纤耦合和激光二极管光束成形,工作距离为0mm的透镜非常适用于单模和多模光纤和激光二极管的准直,因为透镜可以直接定位并直接粘合在发射源上。 对于聚焦应用,或者镜头不能与发射源直接接触的情况下,所有镜头也可以具有小的工作距离。UNI Optics可提供Φ1~Φ15mm的尺寸,数量和尺寸,包括抛光/磨削表面的差异,可根据客户要求提供。

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