Light guide adapters needed to mate with fiber optic illuminators.


Spectral Response 400nm to 2000nm
Fiber Size 0.002 (50μm) Diameter
Core Refractive Index (nd) 1.581
Clad Refractive Index (nd) 1.487
Numerical Aperfure 0.55
Acceptance Angle 68°
Packing Fraction 82% nominal
Transmission Losses 6% per ft. at 600nm (1/4 Diameter bundle)
Operating Temperature -40°C to 107°C (-40°F to 225°F)
Fiber Length Tolerance ±0.5
Inside Min. Bend Radius 1.5 (2.0 for #54-258)
Notes
1. #58-839 includes aluminum bushing to step down the counterbore to the inner diameter.
2. Each Ring Guide includes 3 thumbscrews (120° apart) for mounting, except #54-172 which uses just 1 thumbscrew.
 
C\'Bore Diameter A Inner Diameter B Outer Diameter C C\'Bore Depth D Ring Height E Bundle Diameter F Stock No.
0.830 0.830 1.630 N/A 0.735 0.250 #54-176
1.125 1.125 1.875 N/A 0.800 0.250 #54-175
1.550 1.550 2.562 N/A 1.150 0.332 #54-174
2.370 2.000 3.475 0.760 1.200 0.365 #54-173
2.600 2.370 3.480 0.800 1.000 0.365 #58-839
3.790 3.500 5.000 0.760 1.370 0.462 #54-258