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7 terms
Definitions: D
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concave x
Definitions x
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double-concave lens
A diverging lens with both surfaces concave.
deep
A concave surface that has too much negative power; i.e., its radius of curvature is too short. This condition can be corrected if material is removed from the center section of the polisher.
dispersive lens
->
diverging lens
A diverging lens is a type of lens that causes parallel rays of light to spread out or diverge. It is thinner in the center than at the edges and is commonly referred to as a concave lens. The most...
divergent lens
->
diverging lens
A diverging lens is a type of lens that causes parallel rays of light to spread out or diverge. It is thinner in the center than at the edges and is commonly referred to as a concave lens. The most...
divergent-meniscus lens
A lens with one surface convex and the other concave, the latter having the greater curvature. It also is known as a diverging meniscus lens.
diverging lens
A diverging lens is a type of lens that causes parallel rays of light to spread out or diverge. It is thinner in the center than at the edges and is commonly referred to as a concave lens. The most...
dual laser
A gas laser equipped with Brewster windows and concave mirrors (having unlike reflective properties) at each end of the tube to produce two separate wavelengths at the same time.
Photonics Dictionary
Definitions
D
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