| 制造商: | THORLABS |
| Model: | BHM4 |
Ruler Surface Dimensions (W x H): 40 mm x 310 mm (1.57" x 12.20")
Footprint (L x W): 20 mm x 40 mm (0.79" x 1.57")
Thickness: 2.0 mm (0.8")
Numbered Graduations: Every 1" and 10 mm
Graduations: 1/16" and 1.0 mm
Hole Spacing: 1.00" and 25.0 mm
Damage Threshold: >350 J/cm2 (1064 nm, 20 ns, 20 Hz, Ø1.14 mm)
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