Figure 4
From: Vortex Shedding Optical Flowmeter based on Photonic Crystal Fiber

Variation in amplitude of a peak with applied frequency for different values of input amplitude for a given PCF length of 40 mm.
From: Vortex Shedding Optical Flowmeter based on Photonic Crystal Fiber

Variation in amplitude of a peak with applied frequency for different values of input amplitude for a given PCF length of 40 mm.