|Beamsplitter Plates | Beamsplitter Cubes | Penta Beamsplitter Cube |
| Polarization Beamsplitter Cubes|
Beamsplitters
are used to split or combine beam of light. The forms are in common use provided by CASIX:
plate and cubes. Plates are used for most laser applications as they exhibit low
absorption. Cubes are a convenient, protected form for low power applications. Pellicles
are very thin membranes which do not produce interference from secondary reflections. The
performance of beamsplitters are mainly depended on the coating specifications. For the
coating curves of each types of beamsplitters, please refer to Coating chapter for more
information.
In selecting beamsplitters, the forms, coating, transmission and damage threshold should be considered.
Beamsplitters |
Spectrum |
Properties |
| Beamsplitter Plate | Broadband Wavelength |
CASIX beamsplitter plates can be used with high power laser. When using beamsplitter plates, it is important to bear in mind that the two partial beams travel different optical paths. And the optical paths depend on the incident angle and the thickness of plates. |
Single Wavelength |
||
Broadband Wavelength |
Compared with beamsplitter plate, CASIX’s beamsplitter cube has the following advantages:
|
|
Single Wavelength |
||
Broadband Wavelength 630-680nm T/R: 25%/75%±5% |
The
penta beamsplitter is composed of a penta prism and a wedge. Like beamsplitter cube, it
has following properties too.
Please refer to page 37 for Penta Beamsplitter Cube. |
|
Broadband Wavelength |
The prisms can be used as polarizers, beamsplitters or beam combiners. The output beam which are parallel to input beam is called p-polarized beam while the orthogonal output beam is defined as s-polarized beam. |
|
Single Wavelength |
Copyright 1998 CASIX, Inc. All rights reserved.
Last Revised: Jan 29, 1999
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