Gamma Scientific offers an extensive range of calibration services in accordance with ANSI/NCSL Z540-I-1994 using our in-house, NIST-calibrated standards. All Gamma Scientific standards are calibrated annually by NIST, ensuring the lowest uncertainty calibrations and measurements available from a non-national standards lab.

Photometric and radiometric measurements

• Lumens
• Lux (lumens/m²)
• Footcandles (lumens/ft²)
• Candelas (lumens/steradian)
• Candela/m² (nit)
• Footlamberts (1/pi*candela/ft²)
• Watts
• Watt/cm²
• Watt/cm²/sr

Spectral radiometric measurements (covering 200 nanometers to 2.4 micrometers)

• Watts/nm
• Watt/cm²/nm
• Watt/cm²/sr/nm

Display measurements (flat panel, projection, and CRT)

• Color and chromaticity
• Luminance
• Viewing-angle color and luminance
• Polarization

Night-vision measurements

• ANVIS Radiance (AR) per MIL-STD-3009 (formerly MIL-L-85762A) down to 10^-12 AR
• Spectral radiometric measurements down to 10^-16 watts/cm²/nm

Transmission measurements

• Spectral transmission measurements available down to 0.0001% transmission

Reflection measurements

• Spectral specular and diffuse reflection measurements available down to 0.01% reflection

Filter Design

• Need to fit a filter to a detector? Tap into Gamma’s extensive filter fit and design capabilities for photometric, radiometric and tristimulus filter designs for CCD, CMOS, and silicon detectors

Goniometric measurements

• Full goniometric classification of lamps and reflectors down to 0.002 degree repeatability