Request InfoBristol Instruments Inc.Bristol Instruments Inc. has expanded the capabilities of its 821 pulsed laser wavelength meter into the near-IR. The 821B-NIR measures in real time the absolute wavelength of pulsed lasers and optical parametric oscillators to an accuracy of ±0.02 cm–1 over the range from 630 to 1700 nm. Its Fizeau interferometer-based design incorporates a built-in wavelength standard that corrects for temperature changes in the ambient laboratory environment and provides automatic calibration. The wavelength meter operates in asynchronous mode with automatic pulse detection and measures at a rate of 200 Hz...See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Nov/Dec 2022 IssueParticle Image Velocimetry SystemA Particle Image Velocimetry (PIV) system has been announced by Microvec Pte. Ltd., designed for measurements in air and water with velocities of up to 200 m/s. 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