General: Calculating the Optimum Aperture for Different Sensor Sizes (Diffraction Limit)
OpenStax College Physics Solution, Chapter 27, Problem 61 (Problems & Exercises) | OpenStax College Physics Answers
M4) How Diffraction Limits the Optical Resolution of a Microscope - Scientific Imaging, Inc.
Spot Size Calculator - PowerPhotonic
Laser Spot Size in a Microscope | Airy Disk | Raman & Fluorescence
Laser Beam Spot size--SIMTRUM Photonics Store
Spot Size Calculator - PowerPhotonic
Laser Resources | Coherent Corp.
Beam divergence - Wikipedia
Spot Size Calculator
What is the Pupil Diameter and Beam Spot Diameter of Objective Lens | Learn about Microscope | Olympus
Beam Delivery: M2, BPP, Spot Size & Why You Should Care – Laser Chirp
Circular Aperture Diffraction
Laser Beam Optics Calculators - Laser Measurement Blog
ZEISS Microscopy Online Campus | Microscopy Basics | Numerical Aperture and Resolution
The minimum spot a laser beam can be focused? | ResearchGate
Laser Beam Spot Size Calculator | iLaser
optics - Spot size for objective (not infinity corrected) - Physics Stack Exchange
Beam Shaper Optical Calculator - Holo Or | Diffractive Optics
▷ Quick guide on laser beam divergence measurement
Spot Size Calculator - PowerPhotonic
Telescope resolution
Beam divergence, explained by RP Photonics Encyclopedia; angle
