focal plane

Noun

Meaning

(optics) Any plane perpendicular to the axis of a lens or mirror.

(optics) Such a plane, in a camera, microscope etc, in which the real image is in focus.

Examples

A software upgrade in 2001 was designated F. Block II development began in 1996 using a new focal plane array sensor to improve the missile's effectiveness in "high clutter" environments and increase the engagement range to about 25,000 feet (7,600 m). Source: Internet

Both lighthouses are painted white and are run and maintained by Trinity House. citation The North lighthouse is convert tall, slightly taller than the south one, and has a focal plane of convert. Source: Internet

For example, it is possible, with one thick lens in air, to achromatize the position of a focal plane of the magnitude of the focal length. Source: Internet

In general, a bundle of parallel rays passing through the lens at a fixed distance from the centre of the lens are focused to a ring-shaped image in the focal plane, known as a comatic circle. Source: Internet

The analysis by Nijboer and Zernike describes the intensity distribution close to the optimum focal plane. Source: Internet

The infrared detector can be a single point detector, a linear array or a 2D focal plane array. Source: Internet

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