Figure 1
From: Multimode fiber tip Fabry-Perot cavity for highly sensitive pressure measurement
Schematic diagram of the fabrication process of the optical fiber sensor head. (a) A taper-shaped hole at the end of MMF is formed by HF etching. (b) The taper-shaped hole at the end of MMF is filled with UV adhesive to form an inner air-cavity. (c) The UV adhesive is solidified.
