International Journal of Optics / 2017 / Article / Tab 1

Research Article

High Precision Laser Scanning of Metallic Surfaces

Table 1

Properties of scanner system and its components.


Pixel size of camerad3.2 μm10 μm
Resolution of lens100 lp/mm40 lp/mm
Optical amplificationM0.44751
Depth Of FieldDOF±1.2 mm
Number of rows for detectorNR1536576
Number of columns for detectorNC2048768
Distance from projection point in camera lens to surfaceS162 mm
Camera working distanceWDC110 mm
Height from reference plane to projection point in lensH140.2 mm
Focal length of lensf50 mm
Dynamic range of cameraDR60 dB120 dB
Step size in scanning dimensionstepS8.33 µm
Angle of camera viewβ60 degrees
Width of laser linelw25 μm
Spectral wavelength of laserλ660 nm
Laser working distanceWDL120 mm

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