refractometer

n.

折射计；屈光仪；

1. With a refractometer the refractive index of optical media is determined.
   折射计用于测量光学媒介的折射率。

Refractometer
A fibre Bragg grating refractometer
Optical fiber refractometer based on cladding-mode Bragg grating
Optical fiber refractometer using narrowband cladding-mode resonance shifts
Highly sensitive refractometer with a photonic-crystal-fiber long-period grating.
Fiber refractometer based on a fiber Bragg grating and single-mode-multimode-single-mode fiber structure.
All-fiber multimode-interference-based refractometer sensor: proposal and design
High sensitivity SMS fiber structure based refractometer--analysis and experiment.
Refractive-index measurements in the near-IR using an Abbe refractometer
Measurements of refractive index sensitivity using long-period grating refractometer