Compact eye-safe q-switched lasers play an important role in defense and civil applications such as LIDAR, LIBS (laser-induced breakdown spectroscopy), range-finding and micromachining.

The main challenge typically involved in making compact resonators with saturable absorbers is laser-induced damage within optical components. Short resonator lengths and high peak powers require optimal efficiency for each component. By understanding the challenges and manufacturing limits, we help our customers to reduce the length of laser resonators and handle higher fluencies.

We design coatings in-house for high LIDT, low reflectivity, partial reflectivity or low-loss high-reflectivity resonator coatings on Co:Spinel monocrystal and ceramics. Our know-how allows us to reach ultimate results of >50 J/cm2 @ 1535 nm for mass-production components based on Co:MgAl2Ocrystals.

Wavelength range: 1200 – 1600 nm

Absorption coefficient: up to 2.4 cm-1

Absorption cross section @ 1540 nm 3.5×10-19 cm²

Surface flatness, P-V: <λ/10 @ 632.8 nm

AR coatings: Ravg<0.2% @ 1540 nm

LIDT (coated): >50 J/cm2 @ 1535 nm

Lastek Wombat Works is our custom optical engineering consultancy. We can design, test, prototype and build optical systems from the simplest to the most complex.

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OpticsShop is Lastek's own consolidated shipping service from the USA, offering savings for internet orders on optics, photonics and more. Call Jessica or Lorien on 1800 88 2215 to find out more.

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Lastek Principals

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