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In the near-infrared band, 1064 μM is a commonly used laser wavelength, and its corresponding lasers and detectors are relatively mature, which is widely used

The camera lens assembly consists of a very important component, that is, a filter; IR cut filter, namely, the infrared cut-off filter, is placed between

Filter is an optical device used to select the required radiation wave band. A common feature of filters is that no filter can make the

Filter is an optical device used to select the required radiation wave band. A common feature of filters is that no filter can make the

The plane reflector of the projector is made of polished flat glass bricks and vacuum coated. Special attention should be paid to maintenance. The plane

The off-axis parabolic mirror is a mirror that does not contain a part of the axis of symmetry from the rotationally symmetric parabolic mirror. Because

Fourier Transform Infrared Spectrometer (abbreviated as FTIR Spectrometer) is called Fourier Transform Infrared Spectrometer for short. It is different from the principle of dispersive infrared

With the research and development of the methodology and instruments of laboratory medicine, the means of medical laboratory has developed from a single optical microscope

When collimating the light from the point light source or focusing the collimated beam, the performance of the parabolic mirror is better than that of