Request InfoToptica Photonics AGThe Ångstrom series wavelength meters for narrowband laser sources are available from Toptica Photonics AG. Manufactured by HighFinesse GmbH, the devices provide high resolution from 350 to 1100 nm with high-speed measurement up to 400 Hz. They contain temperature-controlled interferometers, photodiode arrays, a calibration lamp and software for control and readout on a PC or notebook. The WS/5 provides absolute accuracy of 5 GHz; the WS/6, 700 MHz; and the WS/7, 100 MHz.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra January 2024 IssueCompact Single-Frequency LasersThe 445-nm and 447-nm TopMode lasers from TOPTICA Photonics AG are single-frequency diode lasers made for high-resolution Raman spectroscopy, microlithography, multi-wavelength digital holography,...Photonics Spectra April 2024 IssueRaman Fiber AmplifierThe RFA from TOPTICA Photonics AG is a Raman fiber amplifier that covers a wavelength range from 1120 to 1370 nm. 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