Low-outgassing Faraday Isolators to improve lifetime and reliability of optical systems

Qioptiq, an Excelitas Technologies company introduces the LINOS Low-outgassing Faraday Isolators, the first of their kind. Developed for use in enclosed and high-power laser systems across the UV to green and NIR wavelengths, these Low-outgassing Isolator modules extend the service life and enhance the reliability of optical systems into which they are integrated.

faraday isolator

Faraday Isolators are used to protect lasers from damaging back-reflected light and to decouple seed lasers from amplifier stages. Furthermore, they are used to increase power stability, reduce optical noise and prevent laser damage. LINOS FI-405-3SC LO and FI-1030-3SC LO Low-outgassing Faraday Isolators use optically-contacted polarizers to create a high damage threshold while delivering excellent isolation of 33dB and a high transmittance. They are especially suitable for enclosed laser systems, vacuum systems, and high-power lasers in semiconductor processing environments.

These Low-outgassing Faraday Isolators typically emit 25 times less volatile organic compounds (VOCs) than conventionally produced Faraday Isolators. They feature a 3.5mm clear aperture and a patented magnet system which enables an exceptionally compact design footprint. They are available for 405nm and 1030nm, with custom wavelength designs available upon request.

“In the past, low-outgassing properties were almost exclusively needed for space and scientific, ultra-high vacuum applications,” said Ian Alcock, Vice President of Excelitas Optics & Laser Technology business unit. “Today, with the continual demand for ever higher laser powers, the challenge of minimizing contamination or damage of laser optics is becoming increasingly relevant for more and more applications. Our latest low-outgassing products have been specifically designed to address this challenge.”

New Low-outgassing Faraday Isolators are the latest additions to the field proven line of LINOS Faraday Isolators from Qioptiq, an Excelitas Technologies Company. For many years, LINOS Faraday Isolators have been meeting customers’ needs in numerous applications across industrial manufacturing, research & development and life sciences. Due to their superior optical performance and high mechanical stability, LINOS Faraday Isolators are chosen by professionals all over the world.


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