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About Bristol Instruments

Our precision instruments are used all over the world on all seven continents (Yes, even Antarctica)! Known for reliable accuracy and unrivaled customer support, Bristol's products are the preferred choice of scientists and engineers at universities, government laboratories, and industry.

Our Products

Wavelength Meters -
Scientific Research

Our wavelength meters use proven interferometer-based technology to measure CW and pulsed lasers to an accuracy as high as ± 0.0001 nm.

Wavelength Meters -
Transceiver Testing

Our line of optical and multi-wavelength meters provides accurate, fast and cost effective wavelength measurement for testing optical transceivers and WDM transmission systems.

Laser Spectrum
Analyzers

Combining proven Michelson interferometer technology with fast Fourier transform analysis results in a unique instrument that operates as a high-resolution spectrum analyzer and high-accuracy wavelength meter in one instrument.

Optical Thickness
Gauges

Using the unique properties of light, these instruments precisely measure the thickness of a variety of transparent and semi-transparent materials. This non-contact method is ideal for a variety of production and quality assurance applications.

Upcoming Events

Connect with us and see our capabilities in person at these upcoming tradeshows.

March 17-19, 2026

OFC

LA Convention Center
Los Angeles, CA
Booth 818

June 2-4, 2026

APS Division of Atomic, Molecular and Optical Physics (DAMOP) Meeting

Rhode Island Convention Center Providence, RI

October 28-29, 2026

MD&M Minneapolis

Minneapolis Convention Center
Minneapolis, MN
Booth 3536