femtosecond
1
9.7
- noun
- /ˈfɛmtoʊˌsɛkənd/
- Specialized
:
femtosegundo
- By sending femtosecond pulses through the optical fiber, Hall and company spread apart the frequencies within the comb.
- femtosecond pulses
- femtosecond laser
And again, the signal is a slow signal, but the, the pump probe delay is femtosecond time resolution.
- And again, the signal is a slow signal, but the, the pump probe delay is femtosecond time resolution.
- So if, if, if you don't see me, I'll be in my black hole in a in a femtosecond.
- I don't believe any of this for a femtosecond, but I want you to know what's going on in these research areas.
Examples
-
Carrier-carrier collisions in a Boltzmann distribution occur within about 200 femtoseconds at a temperature determined by the energy of the pump photons.
Academic text (1994) -
The need to capture an x-ray image in femtoseconds put extreme constraints on the detector design that was implemented at the LCLS.
Academic text (2012) -
Femtosecond pulsed lasers have made it possible to catch molecules in the bonding act.
Academic text (1999) -
When a powerful femtosecond laser pulse propagates in an optical medium, self-focusing occurs.
Blog text (19) -
Indeed, picosecond and femtosecond laser pulses are now often used to study surface-atom dynamics and field evaporation.
Academic text (2006) -
Ultra-short femtosecond laser pulses have very short energy deposition times and are known to produce only minor heat-affected zones.
Academic text (2018) -
By the mid-1980s, the development of ultrafast pulsed laser technology was making available light pulses briefer than 10 femtoseconds.
Academic text (1999) -
As their light source, they used their own home-built Ti:sapphire laser, which produces femtosecond pulses centered on a wavelength of 550 nm.
Academic text (2005) -
Ultrafast spectroscopy measurements were carried out with the femtosecond transient absorption spectrometer based on an amplified Ti:Sapphire laser system.
Academic text (2018) -
A femtosecond is one quadrillionth of a second, which is much shorter than a nanosecond.
How Long
- Specialized
∞
1.0
26
2.5
- Specialized
11
3.6
- Specialized
20
4.5
- Specialized
1
8.0
- Specialized
1
9.7
- Specialized
1
9.9
Surface Forms
Morphology
Etymology
Femtosecond comes from the scientific prefix femto-, taken from a Danish word meaning 'fifteen', and the familiar time unit second. So a femtosecond is one 'ten to the minus fifteen' of a second, an extremely short time used to study very fast events.