An optical filter is implemented for enhancing or attenuating an image. It can also be used for transmitting an image, splitting one image into two similar ones or for reflecting some unique wavelengths. It is essential to choose a proper optical filter, as its application will have an effect on your fabrication techniques and style. Find out about some of the different uses of optical filters.
Controlling light exposure
Filters are used often for cameras and other consumer optics. These are made out of glass, and differ in thickness, type and ability to control exposure to light. With filters, you can allow the passage of some types of light and block that of others. UV light can be blocked while allowing the passage of infrared light with infrared cut filters. Specialty filters and colored filters can be used in video cameras, photographic cameras and other visual equipment to enhance image quality.
Offering lighting
Optic filter glasses are also often used in scientific and medical equipment to offer lighting. Dentists use filter glass in sterilization equipment and lamps to conduct operations and other processes. These filters tend to control the bandwidth or parts of light spectrum through which energy passes. A dichroic filter works on wavelengths and light ranges soaked up and reflected.
Preventing overheating
Infrared cut optic filters are implemented for avoiding overheating issues in photocopying machines, slide projectors and other appliances that consist of incandescent light bulbs. Long hours of use can heat up these equipments, and filters can prevent this from occurring.
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