TY - JOUR AU - Kaplan, Simon AU - Hanssen, Leonard AU - Migdall, Alan AU - Lefever-Button, G C2 - Proc SPIE DA - 1998-01-01 LA - en M1 - 3425 PB - Proc SPIE PY - 1998 TI - Characterization of high-OD ultrathin infrared neutral density filters UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=103916 ER -