Request InfoCoherent Corp.Yb:fiber free-space polarization-insensitive isolators have been announced by Electro-Optics Technology Inc. for laser marking, stent cutting, micromachining of copper and gold wire, laser welding of dissimilar metals, and elimination of damaging backreflections from workpieces. The PI-09-Yb model features a 9-mm clear aperture and produces a return loss of <-50 dB. It offers 100-W maximum average power handling. Maximum pulsed power handling at 10 ns is 1 GW/cm2. Isolation at 1064 nm and 23 °C is >30 dB, with >94% transmission. Minimum isolation at 1064 nm from 15 to 50 °C is...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2023 IssueMulti-Stage Thermoelectric CoolersThe OptoTEC™ MSX series of micro multistage thermoelectric coolers from Laird Thermal Systems Inc. allows integration into various optical packages. 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