There are multiple definitions:
gradient index(English)
- refers to miniature lenses that became the preferred method for deep brain optical imaging. Optical effects produced by a gradient of the refractive index of a material under study
- OCT, FOV
- Optics and vision, Neurons, Brain (dys)function, Medical imaging
- https://www.spi…3374.full?SSO=1
- https://doi.org…467-025-64529-1
Gag, RT, Int and Nef(English)