Optofluidic Hyperbolic Secant Lens
摘要
Gradient index profiles can be generated and adjusted by controlling liquid diffusion within microchannels. Light passing through these index profiles exhibits specific behaviors like focusing and diverging. This chapter focuses on optofluidic hyperbolic secant lens based on gradient refractive index (GRIN). The discussion covers the working principle, key properties (i.e., optical aberrations, index profile) and performance evaluation of optofluidic hyperbolic secant lens.