IN his Thomas Young Oration of the Physical Society on December 6, Prof. Charles Fabry discussed “Vision in Optical Instruments”. Classical theory gives the resolving power of an optical instrument as ...

Astronomy has always relied on optical instruments, from the early Galilean telescope to fiber-fed spectrographs, so much so that astronomy and modern optics are called astrophotonics. Since ...

Optical instruments are how we see the world, from corrective eyewear to medical endoscopes to cell phone cameras to orbiting telescopes. The first order optical system design covered in the previous ...