- Applied Optics, Vol. 46, Issue 29, pp. 7196-7201 (October 2007)
- Tomoaki Tanaka, Hideaki Nakajima, Takafumi Sugita, Mitsumu K. Ejiri, Hitoshi Irie, Naoko Saitoh, Yukio Terao, Hiroyuki Kawasaki, Masatoshi Usami, Tatsuya Yokota, Hirokazu Kobayashi, Yasuhiro Sasano