method of tuning
121Nonlinear photonic crystal — Nonlinear photonic crystals are usually used as quasi phase matching materials. They can be either one dimensional[1] or two dimensional.[2] Nonlinear Photonic Crystals Broadly speaking, nonlinear photonic crystals (PC) are periodic structures… …
122Clarinet — This article is about the musical instrument. For ClariNet, see ClariNet. Clarinet B♭ Clarinet (Boehm system) Woodwind instrument Classification Wind Woodwind …
123Nonlinear optics — (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed… …
124Pipe organ — This article is about organs that produce sound by driving wind through pipes. For an overview of related instruments, see Organ (music). The pipe organ in Saint Germain l Auxerrois, Paris[1] The pipe organ is a musical instrument …
125On-board diagnostics — On Board Diagnostics, or OBD, in an automotive context, is a generic term referring to a vehicle s self diagnostic and reporting capability. OBD systems give the vehicle owner or a repair technician access to state of health information for… …
126Bat species identification — TOCrightBat detectors are the most common way to identify the species of flying bats. There are distinct types of call which can indicate the genus, and variations in pattern and frequency which indicate the species. For readers not familiar with …
127Fingerboard (skateboard) — A fingerboard or fingerskate is a miniature version of a skateboard complete with moving wheels, graphics and trucks. It has the same scale as a skateboard, but is 96 millimeters long. Skateboarding tricks may be performed using fingers instead… …
128carillon — /kar euh lon , leuhn/ or, esp. Brit., /keuh ril yeuhn/, n. 1. a set of stationary bells hung in a tower and sounded by manual or pedal action, or by machinery. 2. a set of horizontal metal plates, struck by hammers, used in the modern orchestra.… …
