Optical Filter Market Size and Growth Rate:
The Optical Filter Market size to grow from USD XX billion in 2018 to USD XX billion by 2023, at a Compound Annual Growth Rate (CAGR) of XX% during the forecast period.

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Optical Filter Market Overview:
Optical filters are a special type of glass or plastic tool used in the optical path to transmit multiple wavelengths, in particular, colours of selected light passing through it. They are commonly used in photography (where special effect filters are occasionally used as well as absorptive filters), in many optical instruments, and to colour stage lighting. These filters have special coatings or interference coatings to transmit varied wavelengths and are known to improve optical functions and protect the optic lenses from extreme environmental conditions and are specifically manufactured using metals, oxides, and rare earth materials.

Optical filters are vital for some of the most demanding applications in automation, energy, medical imaging, security, and multi-element optical systems. These filters mostly belong to one of the two categories. The simplest, physically, is the absorptive filter; and the interference or dichroic filters. Absorptive filters are usually made from glass to which various organic or inorganic compounds have been added. These compounds absorb some wavelengths of light while transmitting the others.

Optical Filter Market Growth Drivers and Restraints:
Recent advancements include the coating chamber technology that has resulted in higher precision filters yielding bandwidths of