Table 3
Summary of DBI set-ups.
IFPEN_CVP | NOSE | PPRIME_RCM | |
---|---|---|---|
Light source | LED array (white) 100 × 100 mm | LED array (white) 100 × 100 mm | An ion laser |
Laser diode + aspheric lens | |||
Other optics | – | – | Concave mirror + diffuser |
Aspheric lens + diffuser | |||
Detector | Photron SA-5 | Phantom-V1611 | Photon SA-Z |
Lens | 85 mm, f/1.8 | 60 mm, f/2.8 | 105 mm, f/2.8 |
Frame speed | 100 kHz | 49 kHz | 72 kHz |
Exposure time | 3 μs | 3 μs | 1 μs |
Image size (pi2) | 320 × 176 | 512 × 384 | 550 × 120 (ROI) |
Magnification | 6.76 pix/mm | 12 pix/mm | 35 pix/mm |