Request InfoTower Optical Corp.Microminiature true-zero-order wave plates for use with laser sources are available from Tower Optical Corp. The series AO-0.5-TZ square wave plates measure 0.5 x 0.5 mm, are approximately 90 µm thick and are made from crystal quartz. The company says the size of the devices allows packaging of a complete laser handling system in a small transceiverlike housing. They have a short optical path designed for temperature stability and extended bandwidth. The surface has an antireflection coating for maximum transmission at the specified wavelength. The primary wavelength is 1550 nm.See full productRelated content from Photonics MediaPRODUCTSPromoted Content February 2024 IssueHigh Precision External-Cavity Diode Lasers from Ultraviolet to InfraredDRS Daylight Solutions introduces Stretto, a family of high-precision tunable lasers. 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