3photon - Variable reflection mirrors
Description
Variable reflection mirrors (VRM) also known as radial gradient reflection mirrors (RGRM), graded reflection mirrors (GRM) or (super) Gaussian mirrors are unique optical components, designed for specific wavelength with variable reflection value depending on distance form the center of mirror on the mirror ‘s surface. Usually this coating has highest reflection at its center. These mirrors can be produced only by few optical thin film coating companies worldwide.
The simplest method to produce variable reflection mirror is to deposit single high reflection index layer using specifically designed mask. VRM (GRM) usually are produced either by fixed mask method (employing shadowing effect) or by rotating mask method
3photon - Variable reflection mirrors
Specifications |
|
|---|---|
| Design Wavelength: | 266-2500 nm |
| Reflectivity In Center: | 15-40 % |
| Profiles: | Super-Gaussian, Gaussian, Parabolic, custom |
Features
- Variable Reflectivity Profile is only working for the single specific wavelength;
- Extremely stable for high power applications;
- Reduces risk of optical damage in high energy laser systems.
Applications
- To improve beam profile (shape) and produce high quality laser beam in non-stable (unstable) resonators with high pulse energies and low divergence;
- 3photon variable reflection mirrors are mostly used in Nd:YAG (Nd:Y3Al5O12) laser systems as cavity optics (Gaussian output coupler);
- In order to achieve higher pumping efficiency variable reflection mirrors (VRM) are used in frequency doubling systems
For pricing, technical or any other questions please contact the supplier
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How to order?
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Ships from:
Lithuania
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Sold by:
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On FindLight:
since 2019
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