3D Time-of-flight distance measurement with custom - Universität ...
3D Time-of-flight distance measurement with custom - Universität ...
3D Time-of-flight distance measurement with custom - Universität ...
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192 CHAPTER 8<br />
MCD03S:<br />
Conditions SCCD<br />
Illumination <strong>with</strong> microscope; LED pulsed at 1MHz (1:1 on/<strong>of</strong>f ratio); 630nm IF-filter used; optical<br />
power measured behind the IF-filter<br />
IF-Filter<br />
(COHERENT-EALING 42-7344):<br />
CWL: 633nm; HBW: 38nm; XT: 82%<br />
LED: HPWT-DH00 LED average current 50mA<br />
Modulation frequency 1MHz Spot diameter: 22mm<br />
Total power <strong>of</strong> spot: 6.0µW, Spot area: 380⋅106µm2<br />
Wavelength: 630nm Size <strong>of</strong> photogates: 144µm2<br />
Integration time: 125ms<br />
Tap<br />
per Power on photogate: 2300 fW<br />
Energy <strong>of</strong> 630nm photon: 3.16 E-19J Energy on photogate: 288 fJ<br />
Quantum efficiency QE630nm: 65% #photons per photogate: 910’000<br />
Conversion capacitance: 40fF #electrons integrated per pixel: 590’000<br />
Amplification <strong>of</strong> SF stage: 0.9 charge <strong>of</strong> #electrons int. 95 E-15 C<br />
output voltage swing (measured) 2.3V output voltage swing (theory) 2.15V<br />
Again, measured output voltage swing and theoretically calculated voltage swing<br />
are nearly the same.<br />
MCD03B:<br />
Conditions BCCD<br />
Illumination <strong>with</strong> microscope; LED pulsed (average current: 50mA); 630nm IF-filter used; optical<br />
power measured behind the IF-filter<br />
IF-Filter<br />
(COHERENT-EALING 42-7344):<br />
CWL: 633nm; HBW: 38nm; XT: 82%<br />
LED: HPWT-DH00 Spot diameter: 17mm<br />
Total power <strong>of</strong> spot: 1.4µW, Spot area: 227⋅106µm2<br />
Wavelength: 630nm Size <strong>of</strong> photogates: 144µm2<br />
Integration time: 125ms<br />
Tap<br />
per Power on photogate: 888 fW<br />
MCD04S:<br />
Conditions SCCD<br />
LED 630nm (HPWT-DH00), 50mA average<br />
Amplitude C1 C2 Rise/fall time<br />
PGL, PGR: 8V 120pF 680pF 5ns<br />
IG 10.7V<br />
Integration time 125ms per Tap
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