optical amplifier
71Glass microsphere — For microspheres made of other materials, see Microsphere. SEM micrograph of a glass microsphere in concrete Glass microspheres are microscopic spheres of glass manufactured for a wide variety of uses in research, medicine, consumer goods and… …
72Prince Rupert's Drop — Prince Rupert s Drops Prince Rupert s Drops (also known as Rupert s Balls or Dutch tears[1]) are a glass curiosity created by dripping hot molten glass into cold water. The glass cools into a tadpole shaped droplet with a long, thin tail. The …
73Milk glass — Decorative pedestal milk glass bowl Milk glass is an opaque or translucent,[citation needed] milky white or colored glass, blown or pressed into a wide variety of shapes. First made in Venice in the 16th century, colors include blue, pin …
74Ceramic glaze — Composite body, painted, and glazed bottle. Dated 16th century. From Iran. New York Metropolitan Museum of Art. Glaze is a layer or coating of a vitreous substance which has been fired to fuse to a ceramic object to color, decorate, strengthen or …
75Dealkalization — is a process of surface modification applicable to glasses containing alkali ions, wherein a thin surface layer is created that has a lower concentration of alkali ions than is present in the underlying, bulk glass. This change in surface… …
76Glass transition — The liquid glass transition (or glass transition for short) is the reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle state into a molten or rubber like state …
77Reagent bottle — A reagent bottle Reagent bottles, also known as media bottles or graduated bottles, are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers and are intended to contain chemicals in liquid… …
78Modulational instability — In the field of nonlinear optics, modulational instability is a phenomenon whereby deviations from an optical waveform are reinforced by nonlinearity, leading to the generation of spectral sidebands and the eventual breakup of the waveform into a …
79Atomic vapor laser isotope separation — AVLIS Is an acronym which stands for atomic vapor laser isotope separation and is a method by which specially tuned lasers are used to separate isotopes of uranium using selective ionization of hyperfine transitions. In the largest technology… …
80Optischer Verstärker — Ein optischer Verstärker ist ein Gerät, das ein eingehendes optisches Signal verstärkt weitergibt, ohne es in ein elektrisches Signal umgewandelt zu haben. Die Verstärkung entsteht dabei durch stimulierte Emission, die vom zu verstärkenden Signal …
