Laser 2000

CW Wavelength Meters

Wavelength accuracy as high as ± 0.0001 nm.
Operation available from 375 nm to 12 μm.
CW Laser Wavelength Meter

671 Series CW wavelength meters are ideal for scientists and engineers who need to know the exact wavelength of their CW laser. The 671 system employs a proven Michelson interferometer-based design to measure laser wavelength to an accuracy as high as ± 0.0001 nm. What’s more, this is accomplished with an unprecedented level of reliability, versatility, and convenience.

The most important aspect of a laser wavelength meter is its accuracy. Bristol Instruments guarantees this specification by taking into account all factors that can affect wavelength measurement. Wavelength accuracy is quantified by Bristol Instruments using the NIST definition for expanded uncertainty. Components of error arising from both systematic and random effects are included. Systematic errors result in an offset between the measured value and the true value. Random errors result in measurements that have a statistical distribution associated with short-term measurement repeatability. 671 Series CW wavelength meters are designed to address both types of uncertainty. Continuous calibration with a built-in wavelength standard corrects for potential sources of systematic error. Random errors are minimised with a robust Michelson interferometer design.

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CW Laser Wavelength Meter
The 671 Series Laser Wavelength Meter uses proven Michelson interferometer-based technology to accurately measure the wavelength of CW lasers that operate from 375 nm to 12 μm. Two versions are available
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These CW wavelength meters are part of the Bristol Instruments range offered by Laser 2000.

Bristol Instruments was founded in 2005 by three technical and marketing leaders of the now-defunct Burleigh Instruments. Together, this group has over 80 years of combined experience in the design, manufacture, and marketing of lasers and precision test instruments used in basic and applied research, engineering, and production test applications.

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