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Integrating sphere detector with 100 mm diameter, configured to measure laser and laser diodes with a divergence up to 64° and peak powers up to 100 W.

25,4 mm Diameter Measurement Port

The ISD-10 integrating sphere detector with 100 mm diameter integrating sphere features a large 25,4 mm diameter measurement port making it suitable for use with larger diameter Laser beams like Laser range finders. The sphere is coated with Barium Sulfate (ODP97).

If needed, the measuring port can be reduced to smaller diameters with port reducers.

Broad Spectral Responsivity

The integrating sphere detector is equipped with a Si diode which covers the wavelength range from 400 nm to 1100 nm.

Detectors with Diffuser Windows

Diffuser windows mounted in front of the detectors enable the detectors to integrate reflected radiation from almost the complete integrating sphere surface minimizing hot-spots caused by the first beam reflection.

Detector in “Shadow Position” 

The detector is positioned close to the measurement port for a large acceptance angle within the sphere without direct irradiation of the detector.

This eliminates the need to use a baffle.

Fiber Connector and Auxiliary Port

In addition to the detector port and the measurement port, the ISD-10 is also equipped with two additional ports:

-        A SMA connector to connect a fiber from a spectralradiometer to the sphere

-        An auxiliary port, e.g. to use for substitution correction

ISD-10-Si Typical Spectral Responsivity
Sphere diameter

100 mm

Port Size

15 mm



spectral responsivity

400 nm - 1100 nm Si Photodiode

typical responsivity

1.6 mA/W @ 633 nm
1.9 mA/W @ 900 nm

max. Radiant Power (CW)

0.6 W    *
0.5 W    *

* The max CW or average power is limit by the max operation temperature

Max. signal current

1 mA

Cable Length

2 m

Plug Types



Calibration of spectral responsivity in A/W in 10nm steps from 400 to 1100nm

spectral range

(400 - 1100) nm

Rise time

0.5 µs

temperature range

(5 - 40) °C

Type Description File-Type Download
Datasheet ISD-10-Si PDF
Datenblatt Dimensions PDF
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