Find Plano Convex Lenses, Spherical Contact Lenses , Cylindrical Lens Eye on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Home > Products > Spherical Lens > Plano Convex Lenses > Used to make thermal imager of germanium and silicon optical window

Used to make thermal imager of germanium and silicon optical window

Basic Info

Model No.: SPL

Product Description

Product Description

The transmission wavelength for Monocrystal Germanium is 2-12um, it is a common infrared crystal which is widely used for infrared image system and infrared spectrograph systems. Ge has a small absorbency at 10.6um. It is a good material for CO2 lens and windows

Optical Properties

Transmission Wavelength
2000nm—12000nm
Absorptivity (1/cm)
1.3*10-3 @ 3800nm

3*10-2 @ 10600nm
Thermo-optical coeffecient  ,dn/dT (1/k)
4.08*10-4 @10600nm


Refractive index range(20℃)

Wavelength(nm)
Refractive index(n)
Wavelength(nm)
Refractive index(n)
2200
4.0879
8000
4.0057
3000
4.0451
9000
4.0040
3800
4.0267
10600
4.0028
5000
4.0160
11000
4.0025
6000
4.0107
12000
4.0021
7000
4.0079
13000
4.0018

Ge Window With DLC/AR Coating

              Silicon Prism

       Small Ge Window

Silicon Aspheric Lens

Manufacture Testing

POLISHING

We have low-speed polishing machine and high-speed polishing machine

TOOLING

More than 3000 kinds of raduis toolings

Coating

6 coating machine

Surface Quality Testing

Zygo Testing Surface Flatness

Focal Testing

Package

Filter Package

Lens Package

carton pacakge

Exhibition

Sunday Attend exhibition in Shanghai,zhenzhen,laser world munich.


Contact Information


Product Categories : Spherical Lens > Plano Convex Lenses

Email to this supplier
  • *Subject:
  • To:

  • *Messages:
    Your message must be between 20-8000 characters