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二向色镜是在两个不同波长下具有显着不同的反射或透射特性的镜子，其特征在于在某些波长下几乎完全透射光并且在其他波长处几乎完全反射光。它可广泛用于激光技术应用。
激光反射镜用于要求苛刻的激光应用中的光束控制。激光线反射镜是专为特定激光类型或波长所设计的光学反射镜
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1. 优恩立光电可以为您提供什么激光反射镜？
我们可提供激光反射镜的典型规格如下：
产品规格：
基底材料：N-BK7，熔融石英，耐热玻璃;
尺寸公差：+/- 0.1mm
表面质量：20-10
平行度：1'
面型：λ/ 8 / 25mm @ 633nm
倒角：保护性
一个表面：激光级抛光和HR镀膜
另一个表面：细磨
入射角：0°或45°
2.激光反射镜的主要特点是什么？
优恩立光电可以生产具有以下功能的激光反射镜：
指定的波长应用
高精度
高反射率
高伤害阈值
3.优恩立光电可提供哪些波长？
优恩立光电提供355nm，532nm，1064nm，1047nm，1053nm波长的激光反射镜，其他波长范围可根据客户要求提供。
| Part No. | Material | Wavelength(nm) | Incidence Angle | Φ(mm) | T(mm) |
| UMLM064001 | BK7 | 1064 | 45° | 25.4 | 6.35 |
| UMLM064002 | BK7 | 1064 | 45° | 25.4 | 6 |
| UMLM064003 | BK7 | 1064 | 45° | 50.8 | 6.35 |
| UMLM532003 | Fused silica | 532 | 0° | 25.4 | 6.35 |
| UMLM532004 | BK7 | 532 | 0° | 25.4 | 6.35 |
| UMLM532005 | Fused silica | 532 | 45° | 25.4 | 6.35 |
| UMLM532006 | BK7 | 532 | 45° | 25.4 | 6.35 |
| UMLM355001 | Fused silica | 355 | 0° | 25.4 | 6.35 |
| UMLM355002 | Fused silica | 355 | 45° | 25.4 | 6.35 |
上一个 :
高反二向色反射镜
N-BK7金属镀膜反射镜
1，优恩立光电提供哪些金属镀膜类型？
优恩立光电主要提供四种镀膜类型，包括：
1）紫外增强铝膜：从250nm到400nm的平均反射率> 85%
2）保护性铝膜：从400nm到800nm的平均反射率> 87%
3）保护性银膜：从400nm到20um的平均反射率> 400%
4）保护性金膜：从650nm到16um的平均反射率> 98%
2，金属镀膜反射镜具有什么特点？
金属涂层镜具有以下特征：
光谱范围广
对入射角和偏振态不敏感
低成本
非耐用品
反射率相对较低
激光损伤阈值低
3，优恩立光电能为您提供什么金属镀膜反射镜？
常用规格：
基底材料：N-BK7，熔融石英，耐热玻璃，浮法玻璃
尺寸公差：+/- 0.1mm
表面质量：60-40
平行度：3'
平整度：λ/ 4 / 25mm @ 633nm
倒角：保护性
一个表面：抛光和金属镀膜
另一个表面：细磨
注：铝是最广泛使用的金属反射膜，从近紫外到近红外，具有高反射率，且成本低。银在可见光和近红外波长下的反射率高于铝膜，但空气中的银会快速氧化，颜色变暗，使薄膜性能和硬度迅速下降。金膜具有良好的一致性，在近、中、远红外范围内具有高反射率，可以有效控制热辐射，但它比较柔软，容易擦伤，应该非常注意清洁，而且成本很高。
融石英球透镜和半球透镜
光学玻璃平凹透镜
平面凹透镜是光束扩散，光投影，或者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，具有一个凹面，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。
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。
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.
