https://www.chemeurope.com/en/encyclopedia/Optical_frequency_multiplier.html
Optical_frequency_multiplier
Optical frequency multiplier An optical frequency multiplier is a nonlinear optical device, in which photons interacting with a nonlinear material are
optical frequency multiplier
https://research.chalmers.se/en/publication/235281
Towards Ultimate Performance of THz Heterodyne Receivers: SIS Frequency Multiplier and Wideband...
This thesis focuses on the development of advanced components for the future wideband side band separating and / or multipixel receivers for radio-astronomy...
ultimate performancefrequency multipliertowardsthzheterodyne
https://www.jessen-erma.com/english/produkte/signalumformer/fm-9000/index.html
FM 9000 – Frequency Multiplier – Jessen-ERMA-Electronic
FM 9000: Frequency multiplier with adjustable factor (0…9.99/99.9/999), start-up inhibit, standard housing for DIN rail mounting.
frequency multiplierjessenermaelectronic
https://www.epsglobal.com/products/semiconductors/timing-and-synchronisation/clock-management/dual-channel-any-to-any-clock-multiplier-and-f-(1)
Dual-Channel Any-to-Any Clock Multiplier and Frequency Synthesizer ICs - EPSGlobal
dual channelclock multiplierfrequency synthesizerics