N. Takasawa

  • Citations Per Year
Learn More
Conventionally, the beam-propagation method for solving the generalized nonlinear Schro/spl uml/dinger equation, including the slowly varying envelope approximation, has been used to describe the ultrashort-laser-pulse propagation in an optical fiber. However, if the pulse duration approaches the optical cycle regime (<10 fs), this approximation becomes(More)
grade of the quality of canned pink salmon or tomato sardine and V. B-N produced in the canned meat. They have observed that with the falling of the quality of the canned fish meat, V. B-N increased. From these various observations, the freshness of the raw fish meat is considered to be detectable by measuring V. B-N present in the canned fish meat. The(More)
  • 1