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Population inversion of molecules in a gain medium is requir…

Population inversion of molecules in a gain medium is required for a laser system.

Published November 5, 2024
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The upper energy level of laser emission typically needs to…

The upper energy level of laser emission typically needs to have a lifetime as short as possible in order to quickly emit the laser photons.

Published November 5, 2024
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The pulse duration of a laser pulse coming out from a wavegu…

The pulse duration of a laser pulse coming out from a waveguide may be different than that of the input laser pulse.

Published November 5, 2024
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35.  Intense, irrational fears of particular things, activit…

35.  Intense, irrational fears of particular things, activities, or situations are called ______.

Published November 5, 2024
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39.  Information is grouped for storage in short-term memory…

39.  Information is grouped for storage in short-term memory through the process of ______.

Published November 5, 2024
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The longitudinal mode spacing of an optical cavity increases…

The longitudinal mode spacing of an optical cavity increases with decreasing the cavity length.

Published November 5, 2024
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In order to have a small laser spot on the moon, one needs t…

In order to have a small laser spot on the moon, one needs to make the laser beam as thin as possible when launching the laser towards the moon.

Published November 5, 2024
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A light going through an optical waveguide can be viewed as…

A light going through an optical waveguide can be viewed as that field patterns are formed across the waveguide due to standing waves and the field patterns propagate alone the waveguide.

Published November 5, 2024
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A laser beam may pass through an optical waveguide at any in…

A laser beam may pass through an optical waveguide at any incident angles as long as the incident angle is smaller than the maximum acceptance angle.

Published November 5, 2024
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An optical cavity is needed for a laser system to make the s…

An optical cavity is needed for a laser system to make the stimulated emission rate higher than the spontaneous emission rate.

Published November 5, 2024
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