Request InfoWT&T Inc.WT&T Inc. has introduced a narrow-spectra, single-mode, fiber-coupled laser module that operates between 1440 and 1485 nm and that produces a side mode suppression ratio of >50 dB. The plug-and-play instrument measures 150 × 180 × 50 mm and offers output power stability from 0.1 to 0.5 dB. Typical output is 50 mW, with 80 mW maximum. Features include a built-in temperature controller, air-cooling and a laser driver. Linewidth is ~0.01 nm. The laser is suitable for OEM and laboratory applications.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra November 2022 IssueUV Industrial Laser ModulesProPhotonix Ltd. has announced 375-nm UV industrial laser modules to address a wide range of OEM applications. Rugged and reliable, the lasers are available at power levels up to 30 mW and...Photonics.com 10/11/2022Lidar OpticsLIDAR Optics from Meller Optics Inc. are designed for OEM material properties and transmission requirements. 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As power level and wavelength range requirements continue to increase,...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarydouble-clad fiberDouble-clad fiber (DCF) is a specialized optical fiber that features two concentric cladding layers surrounding a core. The design of double-clad fibers allows them to be used in various...Photonics Dictionarynormalized frequencyAlso referred to as the V number in fiber optics; the normalized frequency is a dimensionless quantity, denoted by the symbol V, given by: where a is waveguide core radius, l is wavelength in vacuum,...Photonics Dictionaryfiber laserA fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as erbium, ytterbium, or neodymium. 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