HiLASE is now looking for industrial partners interested in the commercialization of high-average-power Faraday Isolators. material Plane-polarized incident light Plane of polarization is rotated Kerr rotation Faraday and Kerr magnetooptic effects. With support of research from the Technology Agency of the Czech Republic (TA ČR), the HiLASE team has developed a high-performance functional sample of a 100 W Faraday Isolator. Isolator Optical Fiber The isolator operation is based on: the nonreciprocal magnetooptic Kerr effect, a novel Resonant-Layer Effect (RLE) concept 8. 1683-1686).įuture plans include further investigation of high-quality KTF crystals with different crystallographic orientations. The results were recently published in Optics Letters (vol 45, No.7, 1 April 2020, pp. ![]() These measurements, together with the well-known low values of thermally-induced stress birefringence, make KTF an ideal candidate for the next generation of high-average-power Faraday isolators. Amplifying Waveguide Optical Isolator Wouter Van Parys Supervisor(s): Roel Baets, Dries Van Thourhout AbstractTo eliminate one of the main noise sources in an optical tele-com link, it is necessary to protect the lasers from optical feedback by in-cluding an optical isolator in the laser diode package. The measurements of the Verdet constant have covered a large spectral range from 600 to 1500 nm and temperatures from 15 to 295 K. The experimental setup was jointly designed by the HiLASE and NIFS teams. this garnet-based material with InP-substrates makes use of direct wafer bonding 2. This crystal has been manufactured by the company Northrop Grumman (NG) Synoptics based in North Carolina (US). An optical isolator - a device through which light can pass. ![]() Slezák, and the National Instituite for Fusion Sciences (NIFS), Gifu, Japan has successfully characterized the magneto-optical properties of a Potassium Terbium Fluoride (KTF) crystal. The magneto-optical material is the key element inside the Faraday isolator.Ī group of researchers from the Numerical Modeling team, led by Dr. ![]() Many industrial and scientific laser systems require high-performance optical isolators for efficient optical separation between the user application and the high-power laser amplifiers, and for preventing dangerous light feedback into a laser cavity.
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