The tools of optics are the refracting lens, the reflecting mirror, and various optical components which were known prior to 1900 .

The Mangin mirror was invented in 1876 by a French military engineer named Colonel Alphonse Mangin as a substitute for the more difficult to manufacture parabolic reflecting mirror for use in searchlights.

Furthermore epi-illumination with a green reflecting dichroic mirror enabled for the first time the excitation of Feulgenpararosaniline with the strong mercury emission line at 546 nm (Fig. 3a, b).

Optics tools include the refracting lens, the reflecting mirror, and various optical components known prior to 1900.

Their wings cast flashes of blinding light down onto the battlefield, as though someone overhead were holding a giant reflecting mirror over an anthill.

Typically (see Fig. 1, the well-known Michelson configuration) a single incoming beam of coherent light will be split into two identical beams by a beam splitter (a partially reflecting mirror).

Its entire surface was a perfectly reflecting mirror: the sign of the Slaver stasis field.

Melena offers him food and drink, and Turtle Heart blows a beautiful glass reflecting mirror for Elphaba.

Their enormous metal reflecting mirror was designed for completely different purposes, they said.

Maiman placed a fully reflecting mirror on one end of the crystal and a partially reflecting mirror on the other.