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From GHN

Devices used in optics such as lenses, mirrors, and light deflectors

Optics from the Lighthouse Marienleuchte used in 1875- Image by Wusel007

Subcategories

• Collimators - a device that narrows a beam of particles or waves
• Displays - a device which displays light to interact with users
• Holographic optical components - components that allow light to be scattered from an object to be recorded and reconstructed later
• Lenses - an optical element which converges or diverges light
• Light deflectors - devices that deflect light
• Lighting - the production of visible light
• Luminescent devices - devices that emit light from a substance not resulting from heat
• Mirrors - an object which reflects light
• Optical amplifiers - a device which amplifies an optical signal without converting it to an electrical signal
• Optical arrays - a series of optical devices or objects to reflect,refract or transform light
• Optical filters - devices which selectively transmit light of different wavelengths
• Optical resonators - or a resonant optical cavity, an arrangement of optical components which allows a beam of light to circulate in a closed path
• Optical retarders - an object that alters the polarization of light traveling through it
• Optical sensors - a device which detects and measures light
• Thermooptical devices - devices where a change in temperature changes optical properties