Properties of Gaussian Beam Propagating in Ring Resonator Sensor

Figure 2

Optical parameters of GB versus different negative refractive indexes with =1, =0.1×10⁻³m, =1.55, =4.9646cm, =5.0, =2.5, and =632.8nm fixed: (a1) incident beam distribution, 1D; (a2) incident beam distribution, 2D; (b1) emerging beam distribution, DNM ==; (b2) emerging beam distribution, DNM = = and (b3) emerging beam distribution, DNM = =; (c) beam spot size distribution curve.