TY  - JOUR
AU  - Douglas Franzen
AU  - E. Kim
C2  - Optics Letters
DA  - 1981-04-01 00:04:00
LA  - en
M1  - 20
PB  - Optics Letters
PY  - 1981
TI  - Results of an Inter-Laboratory Measurement Comparison to Determine the Radiation Angle (NA) of Graded Index Optical Fibers
ER  -