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NEW! Multi-Laser PID Controller – stabilize the frequency of up to 8 lasers. Learn more

Laser Spectral
Characterization

Wavelength Meters and Spectrum Analyzers for scientific research and telecommunications production testing applications.

Thickness
Measurement

Thickness Gauges use light for precise non-destructive testing of transparent and semi-transparent materials.

Bristol Instruments is a world leader in optical interferometer-based instrumentation. Our precision instruments are used all over the world (even in Antarctica)!

Known for reliable accuracy and unrivaled customer support, Bristol's products are the preferred choice for scientists and engineers at universities, government laboratories, and industry.