Optical Waveguide BTX Gas Sensor Based on Yttrium-Doped Lithium Iron Phosphate Thin Film

<table>Response stereogram of OWG sensor to various gases of the same concentration (1000 ppm).</table>

International Scholarly Research Notices

Figure 5: Optical Waveguide BTX Gas Sensor Based on Yttrium-Doped Lithium Iron Phosphate Thin Film 