TERMIUM Plus®
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LASER FORCE MICROSCOPE [1 record]
Record 1 - internal organization data 2014-06-16
Record 1, English
Record 1, Subject field(s)
- Scientific Instruments
- Optics
Record 1, Main entry term, English
- laser force microscope
1, record 1, English, laser%20force%20microscope
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Laser force microscope senses topography by moving a tungsten or silicon probe across a sample (typically a microelectronic component) at a height of a few nanometers. The tip is set vibrating at close to its resonance frequency. Attractive forces ... called van der Waals attractions and the surface tension of water that condenses between tip and sample, pull on the tip, changing its resonance frequency and so reducing its vibration amplitude. The variation in the forces, and hence in tip travel, reveals surface relief. A laser probe tracks the tip by means of a beam that is split into two. One of the beams is reflected through a stationary prism; the other passes through a Bragg cell --a device that shifts the beam's frequency-- and is reflected from the back of the probe. The beams are recombined, and their interference produces a signal (at the Bragg-cell frequency) that measures the tip vibration. 1, record 1, English, - laser%20force%20microscope
Record number: 1, Textual support number: 1 PHR
Scanning laser force microscope. 2, record 1, English, - laser%20force%20microscope
Record 1, French
Record 1, Domaine(s)
- Instruments scientifiques
- Optique
Record 1, Main entry term, French
- microscope à force laser
1, record 1, French, microscope%20%C3%A0%20force%20laser
proposal, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Instrumentos científicos
- Óptica
Record 1, Main entry term, Spanish
- microscopio de fuerza láser
1, record 1, Spanish, microscopio%20de%20fuerza%20l%C3%A1ser
proposal, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
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