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Universal optical set-top box with zinc selenide element and integrated visualization system on an external monitor

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Universal optical set-top box with zinc selenide element and integrated visualization system on an external monitor
Manufacturer:
SIMEKS
Location:
Novosibirsk
Applying:
Other:
It is intended for express analysis of various types of solid and liquid samples, including polymer particles, films and fibers, powdery substances, fragments of paint coatings, fuels and lubricants. The presence of an optical system for visual inspection of the surface under study with an increase of 75X ensures high efficiency when working with small samples – fragments of thin fibers, microparticles, etc. The universal clamp is equipped with a precision lever mechanism for quickly lowering the tip and a micrometer screw that allows you to pre–set the optimal degree of pressure - this ensures quick sample change and repeatability of the results during measurements. For convenience when working with liquid and paste-like samples, as well as in the ZDO mode, it is possible to rotate the clamping console by 180o. The console is equipped with two replaceable tips – with a spherical working part and with a flat hinged head.

A replacement table is used to register the specular and diffuse reflection spectra. The sample is located on the subject plane of the investigated surface downwards, the angle of incidence of the central beam on the sample is 45 °. The method is used to determine the spectral characteristics of optical parts, crystals, thin films on the surface, as well as to register the absorption spectra of large solid objects.

Transmission in the operating range of the spectrum, % of the input signal at least 30
The recommended number of scans when registering spectra is 25
Spectrum registration time at 25 scans (resolution 4 cm-1), sec 30
The depth of penetration of radiation into the sample, microns 5 – 15
Minimum area of a solid sample, mm 0.2 × 0.2
Minimum volume of the liquid under study, ml 1
Minimum dimensions of the fiber sample: cross-section diameter/length, mm 0.1/1
Substrate crystal material ZnSe CVD, Ge
Focusing spot diameter, mm 1
The angle of incidence of radiation (central beam) on the sample in the ZDO mode 45o
Magnification of the micro lens / total magnification of the visual channel 4X /75X
Field of view of the optical system, mm 2 X 2.5
Digital video camera resolution 640 X 480
Overall dimensions, mm 150×150×260
Weight, kg 2.15

• Allows you to study objects of small size (from 200 microns - depending on the geometry, surface quality and physico-chemical properties of the material)
• The attachment allows you to work without sample preparation, has a fixed adjustment of the pressure on the sample using a clamp equipped with color indicators
• Thanks to the removable flange with the NPVO element, a quick and convenient sample change and cleaning of the crystal surface is provided
• At a given optimal contact force, the method provides high quality and repeatability of results due to the absence of influence of the thickness of the substance layer on the shape of the spectrum and the intensity of the absorption bands
• The sample retains its original physical and chemical properties and, if necessary, can be further investigated by other methods
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