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Figures (10)

Fig. 1
Fig. 1

Grid of silicon dioxide doped with phosphorus is etched on a silicon wafer, and phosphorus from the grid diffuses into the substrate (top), creating n-type guard rings. Silicide layers formed in the open areas of the grid (bottom). The overlap of the guard rings and the silicide layers is small.

Fig. 2
Fig. 2

Dark current generation as a function of temperature of a Ford MPP-CCD. The dark current is more than 3 orders of magnitude greater for the noninverted condition than for the inverted state after the sensor was subjected to 20 krad of 60Co radiation. The finite dark current increase for MPP operation (a factor of 2) is due to radiation damage in the bulk.

Fig. 3
Fig. 3

Monolithic optoelectronic integrated circuit is a compact unit that converts a serial input light signal from an optical fiber into sixteen parallel electrical output signals.

Fig. 4
Fig. 4

Electric field to be measured changes the index of refraction of the EO crystal, thereby modulating the probing laser beam.

Fig. 5
Fig. 5

Electronic tuning system continually strives to maintain the output frequency f2 at a value shifted above or below the reference frequency f1 by an amount that compensates for the computed Doppler shift fD.

Fig. 6
Fig. 6

Shaft rotation detector finds a fundamental frequency component of lateral vibration of a rotating shaft in the output of an accelerometer mounted on the housing of a bearing that supports the shaft. It measures the period of this component, which is assumed to be synchronized with the rotation.

Fig. 7
Fig. 7

Digital frequency synthesizer responds rapidly, computing and generating filter control signals from input measurements.

Fig. 8
Fig. 8

Imaging infrared radiometer makes a temperature map of the sheet. The irradiance distribution at the sheet location is then deduced from the temperature map.

Fig. 9
Fig. 9

Laser schlieren microphone detects sound waves via the variation of the index of refraction of air at the acoustical frequencies. This system can be used to monitor sound frequencies beyond the range of human hearing.

Fig. 10
Fig. 10

Main steps of the algorithm can be assumed to be divided into a first half and an iterative second half. The result of the iteration is a balancing of computational load (including memory) among the processors of a parallel multiprocessor system.

Equations (1)

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SiO 2 30 to 35 , PbO 50 to 57 , Cs 2 O 2 to 10 , [ MgO + CaO + SrO + BaO ] 0 to 5 , [ Al 2 O 3 + ZrO 2 + TiO 2 + Nb 2 O 5 ] 0.1 to 1 ,

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