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Optimized production process for Gaussian mirrors

Optimized production process for Gaussian mirrors

07/02/2012

Gaussian mirrors are also known as graded reflectivity mirrors, GRM or variable reflecting mirrors, VRM. The special coating is characterized by a degree of reflecion that falls off in a Gaussian-shaped curve starting from the center of the optics.

Customers can choose almost any shape the Gaussian curve should take. The reflection values in the center range from a few percent to a maximum of 85%. Gaussian mirrors are extremely stable in the laser and suited for high power levels. They are used as output couplers in unstable resonators where they help to reduce the beam divergence at high pulse energies. The components are also used to generate laser beams with a very homogeneous power distribution, which are required for illumination tasks, in material processing, or medical applications. To produce high pump efficiency, Gaussian mirrors are, furthermore, used in frequency-doubled systems.

The coating process of the Gaussian mirrors has been optimized. For that the manufacturing costs have been significantly reduced. Mirrors at 1064 nm, in particular, are available inexpensively at very short delivery times.

Quelle: LASER COMPONENTS www.lasercomponents.com

 
 

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Optimized production process for Gaussian mirrors
(Photo: Laser Components)