Gold Dragon Optics Co., Ltd.

China Manufacturer with main products: Cylindrical Lens, Plano Convex Cylindrical Lens, Plano Concave Cylindrical Lens, CAF2 Cylindrical Lens, Plano Concave Lens, Infrared Optics,...

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Infrared Optics


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Specifications

9. Ge Lenses
Supply kinds of Plano convex Ge-lens, Bi-convex Ge-lens, Plano concave Ge-lens, Bi-concave Ge-lens according to custom design.
Material: Ge(Germanium)
Radius: ±10mm --- ±1000mm
Diameter: 10mm --- 50mm
Surface accuracy: λ/2-- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
10. Si Lenses
Supply kinds of Plano convex Si-lens, Bi-convex Si-lens, Plano concave Si-lens, Bi-concave Si-lens according to custom design.
Material: Si(Silicon)
Radius: ±10mm --- ±1000mm
Diameter: 10mm --- 50mm
Surface accuracy: λ/2 -- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
11. ZnSe Lenses
Supply kinds of Plano convex ZnSe-lens, Bi-convex ZnSe-lens, Plano concave ZnSe-lens, Bi-concave ZnSe-lens according to custom design.
Material: ZnSe(Zinc Selenium)
Radius: ±10mm --- ±1000mm
Diameter: 10mm --- 50mm
Surface accuracy: λ/2 -- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
12. Ge Windows
Supply kinds of Ge windows, Ge mirrors, Ge reflectors according to custom design.
Material: Ge(Germanium)
Diameter: 10mm --- 50mm
Surface accuracy: λ/2 -- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
13. Si Windows
Supply kinds of Si windows, Si mirrors, Si reflectors according to custom design. 
Material: Si(Silicon)
Diameter: 10mm --- 50mm
Surface accuracy: λ/2 --- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
14. ZnSe Spherical Lenses
Supply kinds of Plano convex ZnSe Spherical lens, Bi-convex ZnSe Spherical lens, Plano concave ZnSe Spherical lens, Bi-concave ZnSe Spherical lens according to custom design.
Material: ZnSe(Zinc Selenium)
Radius: ±10mm --- ±1000mm
Diameter: 10mm --- 50mm
Surface accuracy: λλ2 ---2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
15. ZnSe Windows
Supply kinds of ZnSe windows,ZnSe mirrors,ZnSe Reflectors according to custom design.
Material:ZnSe(Zinc Selenium)
Diameter: 10mm --- 50mm
Surface accuracy: λ/2 -- 2λ
Surface quality: 60-40
Centration: <3'
Clear Aperture: >90%
Chamfer: 0.2×45°
Coating: custom design
 
16. Coating:
We can design and offer multiform coating as follow:
Antireflecting coating(AR coating): MgF2 Single AR coating, Broadband coating, Single wavelength AR film, Dual wavelength AR film.
Reflecting Film: Single wavelength Dielectric Reflecting film, Dual wavelength Dielectric Reflecting film, Broadband Dielectric Reflecting film, Au, Ag, Al reflecting film.
Filter: Bandpass filter,long-wave-pass filter,interference filter,short-wave-pass filter, Infrared filter.
Spectroscope: polarization prism, Polarization Beamsplitter.
 
17. Filters
Band-pass filter, Spectrofilter , Neutral Density Filters, Interference Cut Filters
UV bandwidth range: 100nm to 300nm
VIS/NIR bandwidth range: 400nm to 700nm 
Far IR bandwidth range: 800nm to 14μm
CWL Tolerance: ±5nm
Out-of Band Blocking: T<0.01%~0.1%
Transmittance at Center Wavelength: > 80%~95%
FWHM: 10nm~150nm
Incidence Angle:0°- 45°
Sizes: 5mm to 100mm
Single element or Composite

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