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High-Accuracy Laser Wavelength Meter
Apr 2007
Bristol Instruments Inc.Request Info
Bristol Instruments said its 621-series laser wavelength meters from offer accurate, real-time wavelength information for continuous-wave (CW) lasers.  Two versions are available: The model 621A is for the most demanding experiments, measuring absolute wavelength to an accuracy as high as ± 0.0001 nm. For experiments that are less exacting, the model 621B is a lower-priced alternative. This system measures laser wavelength to an accuracy of ± 0.001 nm. The accuracy of the 621 is guaranteed, because it is continuously calibrated with a built-in HeNe laser wavelength standard. The 621 system also offers an unprecedented level of reliability, versatility and convenience. Operational wavelength ranges from 350 nm to 5 um are available to satisfy any experimental requirement. Optical power is measured to provide a more complete analysis of laser performance. Measurements are made at a rate as high as 10 Hz, resulting in instantaneous reporting.


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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