42.00.00 Optics (for optical properties of gases, see 51.70.+f; for optical properties of bulk materials and thin films, see 78.20.-e; for x-ray optics, see 41.50.+h)
- 42.15.-i Geometrical optics
- 42.25.-p Wave optics
- 42.30.-d Imaging and optical processing
- 42.40.-i Holography
- 42.50.-p Quantum optics (for lasers, see 42.55.-f and 42.60.-v; see also 42.65.-k Nonlinear optics; 03.65.-w Quantum mechanics)
- 42.55.-f Lasers
- 42.60.-v Laser optical systems: design and operation
-
42.62.-b Laser applications
(1)
-
42.65.-k Nonlinear optics
(1)
- 42.66.-p Physiological optics (see also 87.19.lt Sensory systems: visual, auditory, tactile, taste, and olfaction)
-
42.68.-w Atmospheric and ocean optics
(1)
- 42.70.-a Optical materials (see also 81.05.-t Specific materials: fabrication, treatment, testing and analysis)
- 42.72.-g Optical sources and standards (for lasers, see 42.55.-f)
- 42.79.-e Optical elements, devices, and systems (for integrated optics, see 42.82.-m; for fiber optics, see 42.81.-i); Optical instruments, equipment and techniques, see 07.60.-j and 07.57.-c; Optical spectrometers, see 07.57.Ty and 07.60.Rd; Photography, photogra
- 42.81.-i Fiber optics; Fiber-optic instruments, see 07.60.Vg
- 42.82.-m Integrated optics
- 42.86.+b Optical workshop techniques
- 42.87.-d Optical testing techniques
- 42.88.+h Environmental and radiation effects on optical elements, devices, and systems
- 42.90.+m Other topics in optics (restricted to new topics in section 42)