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[Laser Optics] Ultrafast Laser Mirrors

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작성자 lvitech 댓글 0건 조회 409회 작성일 20-06-10 09:26

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Ultrafast Laser Mirrors

Overview

Low GDD Ultrafast Mirrors are designed to handle high peak powers, provide reflectance greater than 99.8% and GDD is sligthly negative. All of this makes these mirrors ideal for femtosecond laser systems, like Ti:Sapphire, where pulse broadening is a concern.
Ultrafast laser line mirrors are designed to cover popular Yb:KGW, Yb:KYW, Yb:YAG and Ti:Sapphire laser lines with reflectance of more than 99.9% and at the same time to maintain |GDD| to be as close to 0 fs2 as possible.
GTI mirror is a kind of dielectric dispersive mirror with a spatial variation of the layer thickness values. Such mirrors are used for dispersion compensation in mode-locked lasers, for example. GTI mirrors featuring broadband behavior with GDD down to -2000 fs2 per bounce for your femtosecond laser system.

Features

Reflectance Rs>99.95% and Rp>99.9%

Ultrafast Laser Line Mirrors feature both optimized GDD and reflectance as high as 99.95% and 99.9% for s and p polarizations respectively.

Compensated for Group Delay Dispersion (GDD)

Design of Ultrafast Laser Mirrors maintain peak power and do not suffer broadening effects. GDD value of designed wavelengths range very close to ~0 fs2. Mirrors with predefined negative or possitive GDD values can be designed.

High Laser Induced Damage threshold

LIDT of Ultrafast Mirrors is qualified at femtosecond regime. Optoman coatings are tested to withstand >1 J/cm2 at 1030 nm, ~300 fs, 1 kHz conditions.

Designed and optimized for Yb:KGW, Yb:KYW, Yb:YAG and Ti:Sapphire lasers

Standard mirrors are designed and optimized for lasers which are most popular in both industrial and R&D activities.


Custom design Custom
  • Mirrors with predefined negative or positive GDD.
  • Diameter from 5 mm up to 101.6 mm.
  • Spectral range from 200 nm up to 6000 nm.
  • Available in multiwavelength or broadband configuration.
  • Coatings on substrates with positive or negative curvature.
  • Optimization for specific AOI or wide acceptance angle.

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