The optical filters is a part of the selective transmission spectrum of the filter, while refusing to transmit the rest. The optical filter of Atmont Optics, commonly used in microscopy, spectroscopy, chemical analysis and mechanical vision, can provide various individual types of accuracy levels. Manufacturing technology of optical filters: optical filters with a wide range can be divided into two categories, absorption and dichroism. The difference between the two is not what it filters, but how the light blocking of the green light absorption filter is based on the absorption characteristics of the glass substrate. On the contrary, the operation of dichroic filter is to reflect the excess wavelength and transmit the required spectral part. In some applications, this is a desired effect because light can be divided into two sources through wavelength. Moreover, only light with a specific angle and wavelength will actively interfere with the incoming beam and pass through the material, while all other light will now cancel the interference and reflect the material.
The optical filter is different from the absorption filter, and the dichroic filter has extremely high angle sensitivity. Why do you say that? Because when used for any angle of design purposes, dichroic filters cannot meet the originally marked transmittance and wavelength specifications. Increasing the incident angle through the dichroic filter will reduce one of its shorter wavelengths. The angle will move to a longer wavelength. The bandpass filter is used in a wide range of industries, which can be dichromatic or color substrate. The dichromatic bandpass filter is manufactured by two different technologies. In traditional coating, bandpass filter, different index materials are deposited on multiple substrates and then added together.
With the continuous development of light source, digital sensor and coating machine technology, optical filters also naturally develop and progress. Optical filters are critical for some of the most demanding applications in automatic energy, medical imaging, security and multi-construction optical systems. These developments require the development of new substrates, or the use of new chemicals and compounds with high transmittance and green, as well as filters with high cut-off rates in the ultraviolet and infrared spectra. The progress of coating machine technology has brought higher precision filters. This really brings the function of the top spectrophotometer to the extreme. With the progress of every technology, the development of optics and optoelectronics will continue to be promoted in almost every consumer application and scientific application center material, sub-nanometer specification, deep ultraviolet to far infrared spectral range, and various improved tolerances.
Hanzhong Borisun Optics Co., Ltd. specializes in the production of various filters, filter processing, filter manufacturing and research and development. The main products are: narrow band filter, band pass filter, long wave pass filter, short wave pass filter, neutral density filter, splitter, dichroic mirror, infrared cut-off filter, interference filter, reflector, laser protection lens, infrared transparent acrylic plate and various optical film lenses.
