Textbooks

1. Hecht, E. (2017). Optics (5th ed.). Pearson.
   (Chapter 10: Fraunhofer diffraction theory, single-slit and circular diffraction patterns, resolving power.)

2. Pedrotti, F. L., Pedrotti, L. S., & Pedrotti, F. L. (2017). Introduction to Optics (3rd ed.). Cambridge University Press.
   (Chapter 11: Single-slit intensity distribution and Airy disk formation.)

3. OpenStax. (2016). University Physics Volume 3. OpenStax CNX.
   https://openstax.org/details/books/university-physics-volume-3
   (Chapters 4.4–4.5: Fraunhofer diffraction for single slit and apertures.)

4. Born, M., & Wolf, E. (1999). Principles of Optics (7th ed.). Cambridge University Press.
   (Chapter VIII: Exact Fraunhofer integrals for rectangular and circular apertures.)

5. Saleh, B. E. A., & Teich, M. C. (2019). Fundamentals of Photonics (3rd ed.). Wiley.
   (Chapter 3: Diffraction envelopes and circular resolving limits.)

6. Ghatak, A. (2024). Optics (8th ed.). McGraw Hill Education India.
   (Chapter 17: Fraunhofer diffraction I)

Online Resources

University and reference materials with equations and simulations.

1. Wikipedia contributors. (2026). Fraunhofer diffraction.
   https://en.wikipedia.org/wiki/Fraunhofer_diffraction
   (Single-slit rectangular diffraction pattern and circular Airy rings.)

2. Wikipedia contributors. (2026). Fraunhofer diffraction equation.
   https://en.wikipedia.org/wiki/Fraunhofer_diffraction_equation
   (Integral formulation and Gaussian apodization.)

3. Physics LibreTexts. (2024). Fraunhofer Diffraction.
   https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_III_-_Optics_and_Modern_Physics_(OpenStax)/04%3A_Diffraction/4.04%3A_Diffraction_from_a_Circular_Aperture
   (Detailed discussion of Airy pattern and circular aperture diffraction.)

4. Nave, C. R. (Ongoing). Fraunhofer Single Slit Diffraction. HyperPhysics.
   http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/sinslit.html
   (Visual explanation using element-pair interference model.)