1. Compact and portable system to illuminate an object through a rotating polarizer sheet |
2. High intensity LED light (Ring type) with intensity control |
3. An annular back plate / screen (reflector) on the back side of the ring light to avoid light directly falling on the camera |
4. An annular diffuser arrangement in front of the ring light source to generate diffused light allowing optical access |
5. Linear polarizer sheet (sandwiched b/w glass plates) arranged in-front of the high intensity LED light source / ring light and the diffusor |
6. Linear polarizer sheet mounted on a motorized rotator driven by stepper motor |
7. Rotator specification |
a. Rotation steps 0.5 degree or less |
b. Accuracy 0.05 degree |
c. Control of rotation through computer |
d. Software to control rotator movements |
e. Sample LabVIEW codes |
8. Design of the system with the following basic dimensions |
a. Length of imaging system 230 mm |
b. Diameter of the imaging lens 80 mm |
c. Diameter of polarizer sheet 130 mm |
d. Outer diameter of ring light < 130 mm |
e. Inner diameter of ring light > 80 mm |
f. Inner diameter of the diffuser 80 mm |
9. Enclosure with base plate for the entire system |
10. Smallest foot print for the system |
11. Imaging system Not in the Scope of supply |
12. Height adjustable mount of the image sensor and lens |
# Computer Not in the scope of supply |
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