Optical lens design — refers to the calculation of lens construction parameters (variables) that will meet a set of performance requirements and constraints, including cost and schedule limitations. Construction parameters include surface profile types (spherical,… … Wikipedia
optical lens — noun a lens that focuses the image in a camera • Syn: ↑camera lens • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑closeup lens, ↑portrait lens, ↑ … Useful english dictionary
Optical disc — Optical media redirects here. For transmission media for light, see Medium (optics). The optical lens of a compact disc drive. In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes… … Wikipedia
Optical engineering — is the field of study that focuses on applications of optics. Optical engineers design components of optical instruments such as lenses, microscopes, telescopes, and other equipment that utilizes the properties of light. Other devices include… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
lens system — noun a transparent optical device used to converge or diverge transmitted light and to form images • Syn: ↑lens, ↑lense • Hypernyms: ↑optical device • Hyponyms: ↑anastigmat, ↑anastigmatic lens, ↑ … Useful english dictionary
Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… … Wikipedia
lens — I. noun Etymology: New Latin lent , lens, from Latin, lentil; from its shape Date: 1673 1. a. a piece of transparent material (as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used… … New Collegiate Dictionary
Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… … Wikipedia