Description
Wedge prism has plane inclined surfaces. It deflects light toward its thicker portion. It can be used individually to deflect a beam to a special angle. Two wedge prisms work together can assembly an anamorphic prism to correct the elliptical shape of laser beam. The wedge prism is ideal for laser beam steering applications.
By combining two wedge prisms which can be rotate individually, we can direct the input beam to anywhere within the cone angle θd, where θd is 4x the specified angular deviation of one wedge. We can make deviation angle from 1deg to 10deg. Other angle can be realized upon request.
Wedge Prism
Specifications
| Diameter: | 25.4 mm |
|---|---|
| Thickness (T): | 3 mm |
| Wedge Angle: | 1 deg |
| Material: | BK7, FS, UVFS, N-SF11, BaF2 |
Download Data Sheet
Features
- Design Wavelength BK7: 632.8nm, n=1.515@632.8nm
- UVFS: 355nm, n=1.476@355nm
- Dimension Tolerance: +0.0/-0.2mm
- Thickness: 3mm on the thinnest edge
- Wedge Angle Tolerance: <3 arc minutes
- Flatness: <λ/4@632.8nm
- Surface Quality: 60/40 scratch and dig
- Clear Aperture: >90%
- Deviation Angle: From 1deg to 10deg
- Coating: None, Available
Frequently Asked Questions
What are the specifications for the wedge prism?
The specifications for the wedge prism include a design wavelength of BK7: 632.8nm, n=1.515@632.8nmUVFS: 355nm, n=1.476@355nm, a dimension tolerance of +0.0/-0.2mm, a thickness of 3mm on the thinnest edge, a wedge angle tolerance of <3 arc minutes, a flatness of <λ/4@632.8nm, a surface quality of 60/40 scratch and dig, a clear aperture of >90%, and no coating, although a coating is available.
How can a wedge prism be used?
A wedge prism can be used individually to deflect a beam to a special angle or two wedge prisms can work together to assemble an anamorphic prism to correct the elliptical shape of a laser beam.
What is the cone angle θd for the wedge prism?
The cone angle θd is 4x the specified angular deviation of one wedge and can be directed to anywhere within that angle by combining two wedge prisms that can be rotated individually.
What is the deviation angle range for the wedge prism?
The deviation angle range for the wedge prism is from 1deg to 10deg, but other angles can be realized upon request.
What is a wedge prism?
A wedge prism has plane inclined surfaces that deflect light toward its thicker portion.
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