Measure Optical Materials
Use the Solid Sample Holder equipped with the Universal Sample Holder to measure the transmission characteristics of a variety of optical materials. Optical filters such as dichroic mirrors, band pass and Cut-On/Cut-Off filters can be mounted and measured easily. The Universal Sample Holder is perfect for measuring round, square, or awkwardly shaped samples like eyewear lenses and sections cut from plastic containers.
Three Available Mounting Positions
Place the sample slide holder at the focal point of the beam or near the lamp or detector compartments. Place the sample next to the detector collimator lens to help to improve measurements of scattering materials. Place it at the focal point to measure small areas of the sample.
Polarization measurements
Add a second sample slide to mount components before or after optical samples. A depolarizer is available to mount before your sample, or mount your own polarizing film before or after a sample located at the middle position.
Wide Selection of Fixed Angle Specular Reflectance Measurements
These fixed angle SRAs are conveniently designed to fit in the standard 2" x 3" sample slide of the Solid Sample Holder. The series of available fixed angle relative specular reflectance accessories (SRAs) includes 15, 20, 30, 45, and 60 degrees. Since the reflectance characteristics of many optical materials vary with the angle of the incident beam, these fixed angle SRAs offer you the opportunity to measure your sample at a variety of angles that may be important to you. 30°, 45° and 60° reflectance measurements, for example, are of particular interest to users of laser tables who need to know the energy losses as they direct the beam from laser to target.
For near normal or grazing angle specular reflectance measurements, Thermo Fisher Scientific offers purpose built accessories on a kinematic baseplate for the Evolution 300/600 spectrophotometers.
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