Table 2 Comparison of sensitivity, figure of merit, and detection limit values of the present work with some experimental and theoretical previous works.

From: Refractive index gas sensor based on the Tamm state in a one-dimensional photonic crystal: Theoretical optimisation

Year

S (nm / RIU)

FoM (/RIU)

DL (RIU)

201561

970

12.76 × 10−3

–

201662

450

~800

~1.6 × 10−4

201624

1179

2.2 × 103

~2.2 × 10−5

201759

850

–

–

201960

<70

1.04

–

202063

9615

–

–

This work

1.9 × 105

3.6 × 105

1.4 × 10−7

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