Germanium Lens Prisms Window

Name: Germanium Lens Prisms Window
Brand: SUNDAY
Price: USD $1 - 200 / Piece

FOB Price

USD $1 - $200 / Piece

1 Piece(Min.Order)

Supply Ability 50000 Piece / Pieces per Month
Port Changchun
Payment Terms:T/T L/C PayPal Other
Delivery Detail:4 days

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Product Details

Brand Name:	SUNDAY	Place of Origin:	China	Model Number:	SDF
Material:	Glass	Usage:	Optical	Shape:	Spherical
Structure:	Plano-concave

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

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

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Changchun Sunday Optoelectronics Co.,ltd

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