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Germanium Lens Prisms Window

Germanium Lens Prisms Window photo-1
Germanium Lens Prisms Window photo-2
Germanium Lens Prisms Window photo-3
US$ 1 - 200 MOQ: 1 Piece
Key Specifications
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Brand Name:
SUNDAY
Place of Origin:
China
Model Number:
SDF
Payment & Shipping
Payment Methods:
Port of Shipment:
Changchun
Delivery Detail:
4 days
Brand Name SUNDAY
Place of Origin China
Model Number SDF
Material Glass
Usage Optical
Shape Spherical
Structure Plano-concave


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



Manufacture Specifications 

Diameter

3mm to 280mm

Diameter Tol.

+/-0.1

Surface Quality

40-20 standard

Surface Quality

40/20

Flatness 

1/4 lambda

Chamfer

0.25mmx45degree

Focal Length Tol.

+/-1%

Coating

Customer design

sales@sunday-optics.com       Bess Zhang

Phone:+8615104452660    +8618744192450



Product Tags: germanium lens , germanium prism , germanium window

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Verified Business License
Business Type
Manufacturer
Year Established
2001
Annual Export Value
US$1 Million - US$1.5 Million
Port of Shipment
changchun, shenzhen, shanghai, beijing