The splitting occurs uniformly on the entire mirror surface. Therefore the beam splitter can be installed in any location of a light path under an angle of 45° without interfering the optical imaging.
The Neutral Beamsplitters are composed of absorption free dielectric coating. All Neutral Beamsplitters are available with a broadband antireflection coating on the rear side, on request.
The Neutral Beamsplitters are identified by their maximum spectral reflectivity at 550 nm ± 5%.
Bandwidth:
450 nm–650 nm for glass
Other wavelengths are available on request.
Standard glass
Corning Eagle XG
Dimension
160 ⋅ 110 + 0, –0.5mm ⋅ 1.1 ±0.1 mm
Customized dimensions are also available.
Reflection (R) in %
10
15
20
25
33
40
45
50
55
66
75
Transmission (T) in %
90
85
80
75
67
60
55
50
45
34
25
Environmental test according to MIL-C-675A
para. 4.6.8 salt solution, 24 h in 4.5% NaCl
para. 4.6.9 humidity, 24 h 49 °C at >95% r. H.
para. 4.6.10 salt foc, 24 h in 4.5% NaCl
para. 4.6.11 hardness, cheesecloth 50 strokes