Variable reflectivity mirrors

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Variable reflectivity mirrors

In order to have better beam quality, i.e. in non-stable resonators, variable reflection mirrors can be used. High intensity of the laser beam requires use of components with a high damage threshold. Dielectric coatings are best suited to meet these requirements. Laserand offers variable reflectivity mirrors with dielectric coatings, designed for wavelengths in the range from 266 to 2500 nm.

Ouverture utile, %	>90%
Tolérances de diamètre, mm	+0.0/-0.1 mm
Seuil de dommage laser, J/cm²	>10J/cm2 for 10 ns pulses @ 1064 nm
Material	BK7, UVFS
Parallelism, arcsec	<10 arcsec
Chanfreins de protection	<0,25 mm x 45 deg
Planéité de surface	<λ/8 @ 632.8 nm
Qualité de surface, s-d	20/10 S/D
Tolérance d'épaisseur, mm	±0.1 mm
Type	Plano/Plano, PCV, PCX, meniscus

Description

Détails

Fonctionnalités

Improves beam shape and quality
Variable/locally defined reflection
Highest available central reflection value R_r(max) = 50%
Custom design (substrate shape, wedge, AR coating) available

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