WGM microresonator coupling and Erbium Laser

WGM microresonator coupling and Erbium Laser

whispering-gallery-mode (WGM) microtoroids under a microscope. The resonator is Erbium doped for lasing operation. Pump laser wavelength band is in 1450nm. Laser is generated in 1550nm band.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .