1 of 6

Creating Inverse Apodization Using Circular Apertures

Rachel Sampson

Laser Teaching Center

Summer 2013

Stony Brook University

​

2 of 6

Lowell Wood

​

​

3 of 6

Inverse Apodization

  • thinning of central diffraction peak and enlargement of the secondary maxima
  • created using apertures with tapered transmission

4 of 6

Fresnel Diffraction From Circular Apertures

5 of 6

Beam where N=2

​

​

6 of 6

Super resolution

Creating Improved Optical Vortices

central diffraction peak 0.24 to 0.21 mm