pla·no-con·cave

(plā′nō-kŏn-kāv′, -kŏn′kāv′)

adj.

Flat on one side and concave on the other: a plano-concave lens.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

plano-concave

(ˌpleɪnəʊˈkɒnkeɪv)

adj

(of a lens) having one side concave and the other side plane

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pla•no-con•cave

(ˌpleɪ noʊ kɒnˈkeɪv, -ˈkɒn keɪv)

adj.

pertaining to or noting a lens that is plane on one side and concave on the other.

[1685–95]

Mentioned in

References in periodicals archive

In addition, through manipulation of permittivity ([epsilon]) and permeability ([mu]), a plano-concave lens with good (ideally perfect) matching to free space can be obtained [33, 34].

Phase Reversal Technique Applied to Fishnet Metalenses

Experimenting with different lens types and spacings in Zemax, he ultimately settled on pairing a plano-concave lens with a double-convex element.

Stilburn's hyperbolic Newt: this coma-corrected telescope gives a sterling performance

RMI's laser beam expanders are made with high precision plano-concave and plano-convex lenses - available in a wide range of materials.

RMI Develops New Laser Beam Expanders

d A plano-concave lens bonded to a plano-convex lens

Low vision--not just AMD, part 2

[CO.sub.2] Laser Optics feature zinc selenide positive focusing lenses in plano-convex, plano-concave, and meniscus configurations in 0.5" to 2" dia sizes and focal lengths from 1" to 20", depending on configuration, and mirrors fabricated from silicon, molybdenum, and copper in sizes from 1" to 3" dia and a variety of styles.

Replacement [CO.sub.2]

The lens closest to the primary is plano-concave (negative), the other is plano-convex (positive).

Meet the chief: could this new optical design be the wave of the future of ATMs?

I solved this problem by assembling the corrector lens from two elements, one plano-convex, and the other plano-concave. ZEMAX showed me that by merely decentering the pair a small amount, I could introduce the required amount of wedge.

A folded Maksutov-Herschelian

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