TY - CONF AU - Rex Craig C2 - Tech. Dig., Symp. on Optical Fiber Meas., Boulder, CO DA - 2002-09-01 LA - en PB - Tech. Dig., Symp. on Optical Fiber Meas., Boulder, CO PY - 2002 TI - Visualizing the Limitations of Four-State Measurement of PDL and Results of a Six-State Alternative UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=30108 ER -