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Zinc Selenide > Window ZnSe

Introduction

Used as transparent barriers for sending and receiving light between two phases under varying conditions in temperature pressure chemical composition cleanliness and phase. Windows made of zinc selenium (ZnSe or Zinc Selenide) the most commonly used optical material that allows transmission of infrared light.
 
 

Standard Specifications

  
 

Items

Specifications

Material

Zinc Selenide (ZnSe)

Designed Index

2.403 @ 10.6µm

Density

5.27g/cm3

Heat Transfer Coefficient

18 W/m・K

Expansion Rate

7.6×10-6/ ℃

Dimension Tolerance

+0.0/-0.2 mm

Thickness Tolerance

± 0.2 mm

Clear Aperture

> 90%

Parallelism

< 1 arc minutes

Flatness

λ/20 at 10.6µm

Surface Quality

scratch and dig 60-40

Bevel

0.5 (0/-0.3) mm

Notes:

1. Surface Quality could reach 40-20

2. Parallelism such as 30” is available.

3. Please show us the size and the coating specification.

  
   
 

Part NO.

D(mm)

t(mm)

Coating

IWZ0101

12.7

2.0

No Coating

IWZ0102

12.7

2.0

AR coated, R ≤ 0.5%@ 10.6 µm

IWZ0103

25.4

2.0

No Coating

IWZ0104

25.4

2.0

AR coated, R ≤ 0.5%@ 10.6 µm

IWZ0105

38.1

3.0

No Coating

IWZ0106

38.1

3.0

AR coated, R ≤ 0.5%@ 10.6 µm

IWZ0107

50.8

3.0

No Coating

IWZ0110

50.8

5.0

AR coated, R ≤ 0.5%@ 10.6 µm

 

  

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