Instrument System’s ISP 150 is an integrating sphere form created for the measurement of transmission and reflection from diffusely scatting objects and test samples. It is designed to be compliant with the DIN 5036 standard for diffuse reflection measurements, which means it has a 150mm inner diameter, 25mm entrance port and an 8 degree angle of incidence. Barium sulphate coating on the ISP 150.
The ISP 150 has a very easy setup and reconfiguring it for different measurement geometries is very simple. The user can decide to include or exclude the specular component in the measurements using a removable beam trap.
If your measurement geometries employ diffuse illumination as well as transmission a halogen light source is directly attached directly onto the integrating sphere. Conversely, illuminating at eight degrees is accomplished by using an LS 100 or LS 500 light source series. Optical fiber is used to guide light radiation to collimating optics. This creates a lightly converging beam at the sample surface.
|Measurement geometry||Illumination||Measurement||Application example|
|Reflection (d/8°)||diffuse||8° with gloss||textured samples|
|Reflection (d/8°)||diffuse||8° without gloss||glossy samples|
|Reflection (8°/d)||8°||diffuse with gloss||solar cells|
|Reflection (8°/d)||8°||diffuse without gloss||solar cells|
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