General Optics

Brewster Windows

Obtain polarized laser output or achieve lossless transmission of p-polarized light using these plane parallel windows, designed for operation at Brewster's angle.

These uncoated ZnSe windows will transmit 100% at 10.6 µm when used at 67.4º angle of incidence. S-polarized light will be reflected 50% per surface at this angle of incidence.

Brewster Windows Selection

Choose from our standard range of ZnSe windows or specify exactly the component you require. Ge Brewster windows are available for use at 76.0º angle of incidence.

Model

Width (mm)

Length (mm)

Thickness (mm)

Parallelism (arc minutes)

Surface Figure (power/irregularity) at 0.63µm

Surface Quality

746216

10.16

26.4

2.03

3

1.0 fringe/0.5 fringe

20-10

282837

12.7

33

2.03

154022

15.24

39.6

2.03

749878

17.78

46.2

2.03

768646

20.32

52.8

3.05

761688

22.86

59.4

3.05

134369

25.4

66

3.05

723434

38.1

99.3

4.06

260345

50.8

132.3

5.08

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