What does vertical-cavity surface-emitting laser mean?
Definitions for vertical-cavity surface-emitting laser
ver·ti·cal-cav·i·ty sur·face-emit·ting laser
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Wikipedia
Vertical-cavity surface-emitting laser
The vertical-cavity surface-emitting laser, or VCSEL , is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge-emitting semiconductor lasers (also in-plane lasers) which emit from surfaces formed by cleaving the individual chip out of a wafer. VCSELs are used in various laser products, including computer mice, fiber optic communications, laser printers, Face ID, and smartglasses.
Wikidata
Vertical-cavity surface-emitting laser
The vertical-cavity surface-emitting laser, or VCSEL /ˈvɪksəl/, is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge-emitting semiconductor lasers which emit from surfaces formed by cleaving the individual chip out of a wafer. There are several advantages to producing VCSELs, in contrast to the production process of edge-emitting lasers. Edge-emitters cannot be tested until the end of the production process. If the edge-emitter does not function properly, whether due to bad contacts or poor material growth quality, the production time and the processing materials have been wasted. VCSELs however, can be tested at several stages throughout the process to check for material quality and processing issues. For instance, if the vias have not been completely cleared of dielectric material during the etch, an interim testing process will flag that the top metal layer is not making contact to the initial metal layer.
Numerology
Chaldean Numerology
The numerical value of vertical-cavity surface-emitting laser in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of vertical-cavity surface-emitting laser in Pythagorean Numerology is: 8
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"vertical-cavity surface-emitting laser." Definitions.net. STANDS4 LLC, 2024. Web. 23 Apr. 2024. <https://www.definitions.net/definition/vertical-cavity+surface-emitting+laser>.
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