Request InfoBristol Instruments Inc.VICTOR, N.Y., Aug. 4, 2006 -- Bristol Instruments Inc. has expanded the operational wavelength range of the infrared version of its model 621 laser wavelength meter, originally 1.5 to 4.0 µm, to 5.0 µm to satisfy new requirements for applications such as high-resolution laser spectroscopy. Two models of the 621 series are available. The 621A is used for the most demanding experiments, measuring absolute wavelength to the highest accuracy of ± 0.2 parts per million. For experiments that are less exacting, the 621B, with an accuracy of ± 1.0 part per million, is a lower-priced alternative. Three different...See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 2/19/2024Laser Wavelength MetersThe 872A-VIS and 872A-NIR from Bristol Instruments are laser wavelength meters that support laser measurements from 375 to 1700 nm. 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