Request InfoIntraAction Corp.The FCM series of fiber-pigtailed acousto-optic modulators/frequency shifters from IntraAction Corp. are made of chalcogenide glass and operate in the 1.3- to 1.6-µm range. Frequency shifters can be specified for operation at any frequency between 40 and 250 MHz. Backreflections can be less than 255 dB, and single-mode or polarization-maintaining fiber can be attached with a variety of standard connectors.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra February 2024 IssueFiber-Coupled LEDThe Model X3312 from LumeDEL LLC is a fiber-coupled LED that can be used for applications in spectroscopy as a replacement for halogen lamps. The source uses a phosphor-coated UV-LED to emit a broad...Photonics.com 3/13/2024O-Band TransceiverThe QSFP28 from Approved Networks is an O-band transceiver for high-speed data transmission for distances up to 25 km. 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