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OL 750 Automated Spectroradiometric Measurement System

Product Description:

The OL 750 is an extremely versatile spectroradiometric measurement system capable of performing a variety of highly accurate optical radiation measurements under computer control in the ultraviolet, visible and infrared. The modular approach of the OL 750 coupled with an extensive selection of accessories and powerful application software packages enables the user to tailor a turn-key system to their exact requirements as well as ensure expandability in the future. Both single (OL 750S) and double (OL 750D) grating monochromator versions are available. The basic system, along with an extensive selection of optional items and accessories, enables the OL 750 to measure over all or part of the entire 200 nm to 30 mm wavelength range.

With its configurable gratings, blocking filters, and slits, the OL 750 can be set up across the full solar spectral output range.  It also has a wide variety of accessories for measureing reflectance (diffuse and specular components) and therefore computing both internal and external quantum efficiencies (IQE, EQE).  There is even a white bias accessory, a while light source that allows the cell's active area to be brought up to a typical operating energy level while measuring the spectral response simultaneously.


Application Type:

Source spectral analysis, detector spectral response, diffuse spectral reflectance, specular spectral reflectance, spectral transmittance


Spectral Range:

200 nm - 30 μm


Units Of Measure:

W/cm² nm, W/cm² sr nm



Various - contact factory


Associated Links:

Photovoltaics: Spectroradiometer Improves Accuracy of Photovoltaics Measurement


Hardware/Software History:

Revision 1.25



OL 730-8 Reflex Microscope (Bulletin 71)

OL 730-9A and -9Q Reflex Telescope (Bulletin 115)

OL 740-4P Off Axis Parabola Telescope (Bulletin 72)

OL 740-18 and -19 Infrared Detector Module (Bulletin 114)

OL 740-20 High Intensity Source Attachment (Bulletin 65)

OL 740-70 Integrating Sphere Diffuse Reflectance Attachment (Bulletin 66)

OL Series 750 High Sensitivity Detectors (Bulletin 122)

OL 750-10 All Mirror Collimating and Focusing Optic (Bulletin 140)

OL 750-75MA Goniospectroreflectance Attachment (Bulletin 76)

OL 750-423P Pulse Source Measurements with the OL Series 750 (Bulletin 130)

OL IS-430-DP Integrating Sphere (Bulletin 109)


Product Videos:



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