Diffraction Intensity Distribution of Pinhole for Misaligned Gaussian Beam Incidence

Tong Zhang; Fen Gao; Bing Li; Ailing Tian

doi:10.3788/LOP202158.1905001

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 19 >Page 1905001 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 19, 1905001 (2021)

Diffraction Intensity Distribution of Pinhole for Misaligned Gaussian Beam Incidence

Tong Zhang¹, Fen Gao^1、2、*, Bing Li², and Ailing Tian¹

Author Affiliations

¹School of Optoelectronic and Engineering, Xi'an Technological University, Xi'an , Shaanxi 710021, China

²State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an , Shaanxi 710049, China

show less

DOI: 10.3788/LOP202158.1905001 Cite this Article Set citation alerts

Tong Zhang, Fen Gao, Bing Li, Ailing Tian. Diffraction Intensity Distribution of Pinhole for Misaligned Gaussian Beam Incidence[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1905001 Copy Citation Text

show less

$Intensity distribution model of pinhole diffraction under Gaussian beam incidence$

Fig. 1. Intensity distribution model of pinhole diffraction under Gaussian beam incidence

Download full size

$Diffraction field distribution models of pinhole under different alignment conditions.（a）Ideal condition；（b）shift error；（c）defocus error；（d）tilt error$

Fig. 2. Diffraction field distribution models of pinhole under different alignment conditions.（a）Ideal condition；（b）shift error；（c）defocus error；（d）tilt error

Download full size

$Intensity distributions of pinhole diffraction under different waists (when d=2 μm). (a) Normalized intensity curve;(b) partially enlarged view$

Fig. 3. Intensity distributions of pinhole diffraction under different waists (when

d = 2 μ m

). (a) Normalized intensity curve;(b) partially enlarged view

Download full size

$Diffraction intensity maps of pinhole with different shift errors (when d=2 μm). (a) dx=0 μm; (b) dx=0.5 μm; (c) dx=1.0 μm; (d) dx=1.5 μm$

Fig. 4. Diffraction intensity maps of pinhole with different shift errors (when

d = 2 μ m

). (a)

d x = 0 μ m

; (b)

d x = 0.5 μ m

; (c)

d x = 1.0 μ m

; (d)

d x = 1.5 μ m

Download full size

$Intensity normalization curves of pinhole diffraction under different shift error (when d=2 μm). (a) Normalized intensity curves; (b) partially enlarged view$

Fig. 5. Intensity normalization curves of pinhole diffraction under different shift error (when

d = 2 μ m

). (a) Normalized intensity curves; (b) partially enlarged view

Download full size

$Diffraction intensity maps of pinhole for different defocus errors (when d=2 μm). (a) dz=0; (b) dz=10d; (c) dz=20d; (d) dz=30d$

Fig. 6. Diffraction intensity maps of pinhole for different defocus errors (when

d = 2 μ m

). (a) dz=0; (b) dz=10d; (c) dz=20d; (d) dz=30d

Download full size

$Intensity normalization curves of pinhole diffraction under different defocus error (when d=2 μm). (a) Normalized intensity curves; (b) partially enlarged view$

Fig. 7. Intensity normalization curves of pinhole diffraction under different defocus error (when

d = 2 μ m

). (a) Normalized intensity curves; (b) partially enlarged view

Download full size

Fig. 8. Change of normalized intensity along with defocus error dz under different diameters

Download full size

$Diffraction intensity maps of pinhole for different tilt errors (when d=5 μm). (a) γ=0°; (b) γ=5°; (c) γ=10°; (d) γ=15°$

Fig. 9. Diffraction intensity maps of pinhole for different tilt errors (when

d = 5 μ m

). (a) γ=0°; (b) γ=5°; (c) γ=10°; (d) γ=15°

Download full size

$Center offset value of diffraction spot Δy varying with tilt angle γ$

Fig. 10. Center offset value of diffraction spot

Δ y

varying with tilt angle

γ

Tong Zhang, Fen Gao, Bing Li, Ailing Tian. Diffraction Intensity Distribution of Pinhole for Misaligned Gaussian Beam Incidence[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1905001

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information