Detector performance parameters

1
????????????
2
????????????

• Detector performance parameters
• Photoemissive devices
• Vacuum photodiode
• Photomultiplier
• Multiple quantum well detectors
• PN junction detectors
• PIN junction detectors
• Schottky photodiodes
• Phototransistors
• Charge-coupled devices (CCD)

3
Detector performance parameters
Response
response time t modulation frequency f cut-off
frequency fc
Sensitivity
signal-to-noise ratio (S/N) noise equivalent
power (NEP) specific detectivity
4
Photoemissive devices
5
Vacuum photodiode
6
Photomultiplier
7
(No Transcript)
8
Multiple quantum well detectors
9
PN junction detectors
10
(No Transcript)
11
(No Transcript)
12
PIN junction detectors
13
(No Transcript)
14
(No Transcript)
15
Schottky photodiodes
16
Phototransistors
17
Charge-coupled devices (CCD)
18
(No Transcript)
19
(No Transcript)
20
(No Transcript)