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主营：光谱和测试光学 FTIR分束器、平面和楔形窗、ATR元件、红外偏光镜、离轴抛物面镜、全息陷波和窄陷波滤光片 太赫兹光学 低通滤波器、太赫兹带通滤波器、太赫兹偏振器、太赫兹衰减器、太赫兹法布里-珀罗标准具、太赫兹窗口、太赫兹镜头、太赫兹棱镜、太赫兹波片、可调THz极化转换器、太赫兹宽带相位变压器、太赫兹频谱分离器、太赫兹分束器、太赫兹镜、太赫兹增透膜 高温和热成像光学 应用的正面光学、锗视窗和热成像镜头、ZnSe光学高温计、红外物镜的硅元件、无人机保护红外窗（UAV） 太赫兹设备 脉冲太赫兹光谱仪、Golay探测器、用于运行Golay单元的软硬件复合体、Golay检测器校准套件、太赫兹扫描法布里-珀罗干涉仪、太赫兹物镜、锁相放大器、太赫兹脉冲辐射电光探测器、太赫兹扩束器 传感器和检测器的光学元件 气象和气候光学 高精度天文镜和系统 激光被动光学 二氧化碳激光光学、Nd：YAG激光器的光学元件、UV-VIS-NIR激光器的光学元件 非典型元件
长距离监控 规格：用于8-12 um红外成像仪的锗窗
材料 通用 电气
类型 plano-plano window
直径，毫米 120 (+0/-0.2)
厚度，毫米 4 (+/-0.2)
表面质量，可扫描/挖掘 60/40
表面图形，流苏 N<=5，增量N<=1@633nm
增透膜（DLC/BBAR 型），
R @8-12 微米，% <5（见下面的曲线）
用于8-12 um红外成像仪的锗窗透射光谱图 2.8-12 um红外成像仪的锗窗口透射光谱。
3. Ge半月板镜片，适用于8-10 um红外成像仪
应用：360度海基系统-全景规格
：用于8-10 um红外成像仪的锗半月板透镜
材料 通用 电气
类型 半月板晶状体
直径，毫米 105 (+0/-0.2)
中心厚度，毫米 8 (+/-0.2)
EFL 容差，% +/-2
表面质量，可扫描/挖掘 60/40
表面图形，流苏 N<=5，增量N<=1@633nm
增透膜（DLC/BBAR 型），
R @8-10 微米，% <5（见下面的曲线）
用于8-10 um红外成像仪的锗半月板透镜的透射光谱图 3.用于8-10 um红外成像仪的锗半月板透镜的透射光谱。
4. 高温计保护圆顶
应用：气象学，气候学，温室和露天田
地的环境监测 规格：用于高温计的保护圆顶
Material Glass, quarts
Type dome
Diameter, mm 32 (+0/-0.2)
Central thickness, mm 3.7 (+/-0.2)
Surface quality, scr/dig 80/50
5. Filter for Pyrgeometer
Application: measuring an effective atmospheric IR radiation spectrum over wide spectral range (4.5-45 um)
Specification:Filter for Pyrgeometer
Material FZ-Si
Type plano-plano window, meniscus lens
Diameter, mm 31.8 (+0/-0.2)
Thickness, mm 1 (+/-0.1)
Surface quality, scr/dig 40/20
Operating temperature range -40 C ...+80 C
Humidity up to 90-95%
AR coating (DLC/solar blind type) (see the curve below)
Filter for pyrgeometersFig. 6. Transmission spectra of filter for pyrgeometers.
6. Sapphire window for under-water sensor
Application - to be installed at bathyscaphe to monitor continental shelf, ship's bottom, etc
Specification:Sapphire window for under-water sensor
Material Sapphire
Type plano-plano window
Diameter, mm 77 (+0/-0.2)
Thickness, mm 6.0 (+/-0.2)
Surface quality, scr/dig 60/40
Surface figure, fringes N<=5, delta N<=1 @633nm
7. Si bullet-lens for 3-5 um IR immersion LED's and photodiode
Application: to be used as lighter emitter
Si bullet-lens for 3-5 um IR immersion LED's and photodiode
Specification:
Material Si
Type bullet-lens
Diameter, mm 3.5 (+0/-0.4)
Central thickness, mm 3.21 (+/-0.05)
Surface quality, scr/dig 40/20
Surface figure, fringes N<=5,
delta N<=1 @633nm
AR coating (one side BBAR @3-5 um) (see the curve below)
Transmission spectra of Si bullet-lens for 3-5 um IR immersion LED's and photodiodes
Fig. 8. Transmission spectra of Si bullet-lens for 3-5 um IR immersion LED's and photodiodes.
8. CaF2 bullet-lens for 3-5 um IR immersion LED's and photodiode
Application: environmental monitoring
Specification:CaF2 bullet-lens for 3-5 um IR immersion LED's and photodiode
Material CaF2
Type bi-convex lens
Diameter, mm 11 (+0/-0.1)
Central thickness, mm 5.3 (+/-0.2)
EFL @4.25um, mm 12.5
Surface quality, scr/dig 80/50
Surface figure, fringes N<=2, delta N<=1 @633nm
9. ZnSe lens for 10.6 um laser
Application: laser industry, CO2- and CO-detectors, medicine
Specification:ZnSe lens
Material CVD-ZnSe
Type plano-convex lens
Diameter, mm 12.7 (+0/-0.2)
Central thickness, mm 2.0 (+/-0.2)
EFL tolerance, % +/-2
Surface quality, scr/dig 40/20
Surface figure, fringes N<=1,
delta N<=0.5 @633nm
AR coating (AR/AR type), R @10.6 um, % <0.5 (see the curve below)
Transmission spectra of ZnSe lens for 10.6 um laser
Fig. 10. Transmission spectra of ZnSe lens for 10.6 um laser.
10. ZnSe beamsplitter
Application: monitoring of air quality, nitrogen fixation, fruit storage, mycology, medicine
Specification:ZnSe lens beamsplitter
Material CVD-ZnSe
Type plano-plano window
Diameter, mm 25 (+0/-0.2)
Thickness, mm 4 (+/-0.2)
Surface quality, scr/dig 40/20
Surface figure, fringes N<=5, delta N<=1 @633nm
Coating (see the curve below)
-S1: AR @10.3 um
-S2: R=90%+/-5% @10.3um
Transmission spectra of ZnSe lens beamsplitter
Fig. 11. Transmission spectra of ZnSe lens beamsplitter.
11. ZnSe window for IR detector, etc.
Application: monitoring of air quality, nitrogen fixation, fruit storage, mycology, medicine.
Specification:ZnSe window for IR detectors
Material CVD-ZnSe
Type plano-plano window
Diameter, mm 12.7 (+0/-0.2)
Thickness, mm 3.0 (+/-0.2)
Surface quality, scr/dig 60/40
Surface figure, fringes N<=1,
deltaN<=0.5 @633nm
AR coating (AR/AR type), R @ 4.5um, % (see the curve below)
Transmission spectra of ZnSe window for IR detectors
Fig. 12. Transmission spectra of ZnSe window for IR detectors .
12. Teflon IR polarizer
应用：甲烷检漏仪
规格：特氟龙红外偏振片
材料 聚四氟乙烯
直径，毫米 12.7 (+0/-0.2)
传输曲线 请参阅红外偏振片一章
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