Title :
Investigation of general design principle of single lens and development of new NA=0.85 single lens
Author :
Itonaga, Makoto ; Ito, Fumihiko ; Matsuzaki, Kunihisa ; Chaen, Shuichiro ; Saito, Ryo ; Saito, Toshiya ; Sugawara, Takashi ; Tanaka, Eiji ; Tomita, Takahiro
Author_Institution :
Technol. Dev. Div., Victor Co. of Japan Ltd., Yokosuka, Japan
Abstract :
We have reported a single lens with a numerical aperture (NA) of 0.85 at ISOM 2001. This report describes general principle for the determination of a start data in the single lens design. Applying the principle in the design, we also developed a new smaller lens.
Keywords :
lenses; optical design techniques; design technique; numerical aperture; single lens; Equations; Glass; Lenses; Manufacturing; Optical design; Optical materials; Optical refraction; Optical variables control; Refractive index; Silicon compounds;
Conference_Titel :
Optical Memory and Optical Data Storage Topical Meeting, 2002. International Symposium on
Print_ISBN :
0-7803-7379-0
DOI :
10.1109/OMODS.2002.1028674
