5
FAP
calcium fluorophosphate
6
FAR
Federal Acquisition Regulation; false alarm rate
7
FASE
fast advanced spin echo
8
FASTAR
frequency angle scanning, tracking and ranging
9
FBG
fiber Bragg grating
13
FCC
Federal Communications Commission
14
FCH
Fourier color hologram
15
FCT
fast cosine transform
17
FDDI
fiber distributed data interface
18
FDDN
fiber data distribution network
19
FDHM
full duration half maximum
20
FDM
frequency division multiplex
21
FDR
frequency domain reflectometry
22
FDTD
finite difference time domain
23
FEA
finite element analysis
24
FEC
forward error correction
25
FECO
fringes of equal chromatic order
26
FED
field emitter display
27
FEL
free-electron laser
28
FET
field-effect transistor
30
FFD
flange focal distance
31
FFL
front focal length
32
FFT
fast Fourier transform
34
fiberdyne
fiber optic self-homodyne
35
FIFO
first in/first out
37
FIR
full indicator reading; far-infrared
38
FIRT
far-infrared transmission
39
FIS
fluoro-immunosensor
40
FISH
fluorescence in situ hybridization