The beamsplitter penta prisms consist of a precision penta prism carefully cemented together with a wedge to minimize wavefront distortion and beam skewing. The cemented surface of the wedge is coated with a multilayer beamsplitter coating tuned to the application. The three outside surfaces of the prism are anti-reflection (AR) coated with “V” type or broadband coatings to minimize surface reflection losses over the specific wavelength range.
Beamsplitter penta prisms are available in unpolarized, non-polarizing and polarizing designs. The functional features of these designs are similar to the respective cube polarizers.
| Specification | Available Quality |
|---|---|
| Range of dimensions | 2mm-100mm |
| Highest available surface figure | λ/10 (DIN: 3/0.2) |
| Highest available surface quality | 20-10 S/D (DIN: 5/2×0.06) |
| Wavelength range | single wavelength or broadband |
| Highest available tolerance of beam deviation | 5″ (arcsec) |
We take quality control very seriously: we rely on accurate, widely recognized measurement systems for testing our optics. The following table indicates the accuracy of measurement for the most relevant parameters.
Surface figure: λ/20
Angle: 0,5 arcsec
Radius: 0,01%
Focal length: 0,03%-0,3%
Centration: +/-0,2µm or +/-2 arcsec
Wavelength: +/-0,3nm (190-1100nm)
We are known for:
Over 30 years experience in optics
ISO9001:2015 Certified
from the very first contact
at remarkable prices
CUSTOMIZED SOLUTIONS
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