3
S/LJ
semiconductor/liquid junction
4
S/N
signal-to-noise ratio
5
SAD
selected area diffraction
7
SALI
surface analysis by laser ionization
8
SAM
scanning acoustic microscope; scanning Auger microscopy
9
SAMA
Scientific Apparatus Makers' Association
10
SAM-APD
separate absorption and multiplication region avalanche photodiode
11
SAMPE
Society for the Advancement of Material and Process Engineering
12
SAN
styrene acrylonitrile; storage area network
13
SAP
stress-applying part
14
SAR
synthetic aperture radar
15
SARISA
surface analysis by resonance ionization of sputtered atoms
16
S-ARROW
simplified antiresonant reflecting optical waveguide
17
SAS
self-alignment structure; single attachment station
18
SATA
serial advanced technology attachment
19
SATA-RAID
serial advanced technology attachment — redundant array of inexpensive discs
20
SAW
surface acoustic wave
21
SAXS
small-angle x-ray scattering
23
SBC
Soleil-Babinet compensator
24
SBD
Schottky-barrier diode
25
SBE
supertwisted birefringent effect
26
SBIR
small business innovation research
27
SBN
strontium barium niobate
28
SBR
signal-to-background ratio
29
SBS
stimulated Brillouin scattering; satellite business system
31
SCC
standard cubic centimeter
32
SCM
scanning capacitance microscopy
33
SCN
satellite-control network
34
SCR
silicon controlled rectifier
35
SCSI
small computer standard interface
36
SCT
Schmidt-Cassegrain telescope
37
SDFOV
simultaneous dual field of view
38
SDH
synchronous digital highway; synchronous digital hierarchy
39
SDI
Strategic Defense Initiative
40
SDIO
Strategic Defense Initiative Organization