1993
DOI: 10.1117/12.150627
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<title>Vector eigenmodes in a cylindrical laser</title>

Abstract: Eigenmodes characterized by distinct polarization states for the resonator configuration known as the High-Extraction Decentered Annular Ring Resonator (HEXDARR) have been found. The effects of internal annular optical elements (waxicons, reflaxicons, and cones) as well as coatings and mode rotation are included. For a good design, the low-order mode polarization states are nearly circular, with the polarization ellipse orientation and phase angle slightly spatially dependent across the near field of the reson… Show more

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“…E(r,) = E(r,n)exp(inçb), (1) where n is the order of Fourier components. Each Fourier component can be propagated independently for a distance L according to the formula: E' (r' ,n) = E(r,n)J(2 zrr' /AL)rdr, (2) where is the wavelength and J, is the Bessel function of nth order. For convenience, three propagation steps are arranged inside the resonator.…”
Section: The Croq Codementioning
confidence: 99%
See 1 more Smart Citation
“…E(r,) = E(r,n)exp(inçb), (1) where n is the order of Fourier components. Each Fourier component can be propagated independently for a distance L according to the formula: E' (r' ,n) = E(r,n)J(2 zrr' /AL)rdr, (2) where is the wavelength and J, is the Bessel function of nth order. For convenience, three propagation steps are arranged inside the resonator.…”
Section: The Croq Codementioning
confidence: 99%
“…Due to high Fresnel numbers in the compact leg, it requires a large number of radial sampling points to represent the field, which makes the matrix propagation impractical. However, using the LegendreGardner transformation3, Equation (2) can be converted into a convolution integral which can be evaluated numerically with the fast Fourier transformation (FFT).…”
Section: The Croq Codementioning
confidence: 99%