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Integrating Sphere Detector

The ISD-5P-IGA integrating sphere detector employ a 50 mm diameter ODM98 coated integrating sphere with 10mm diameter measurement port. The unique collar baffle limits direct irradiation of the detector from dispersed light. The collar baffle enables optional detector ports to be added for additional detectors, fiber connectors or auxiliary use. The ISD-5P-IGA features an InGaAs photodiode detector for use in the spectral range from 800 to 1800nm spectral range. 

Synthetic Coating 

Gigahertz-Optik’s synthetic ODM98 coating offers almost perfect hemispherical diffuse reflection for best light distribution inside the sphere. 

Traceable Calibrations 

Calibration of spectral radiant power sensitivity in W is performed in 10 nm steps from 800 to 1800 nm at Gigahertz-Optik’s Calibration Laboratory for Optical Radiation Quantities.

Typical Spectral Responsivity

spectral range

(800 - 1800) nm

Max. signal current

1 mA

Size input optic

10 mm Ø

Sphere diameter

50 mm



Rise time

0.875 ns

spectral responsivity



M6 threaded hole


coaxial cable 2 m Long, with BNC (-1), calibration data (-2) or ITT (-4) connector

temperature range

(5 - 40) °C

Type Description File-Type Download
Datasheet ISD-5P-IGA PDF
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15298333 ISD-5P-IGA-1

integrating sphere detector including calibration. Plug type 1.

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integrating sphere detector including calibration. Plug type 2.

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