Isolator may refer to: * ''Isolator'' (EP), a 2006 EP by Two Hours Traffic * The Isolator (helmet), a sensory protection device * '' The Isolator'', a 2015 Japanese light novel

Electronics

Isolator (microwave) An isolator is a two-port device that transmits microwave or radio frequency power in one direction only. The non-reciprocity observed in these devices usually comes from the interaction between the propagating wave and the material, which can be d ...

, a two-port device that transmits microwave power in one direction only *

Isolator switch In electrical engineering, a disconnector, disconnect switch or isolator switch is used to ensure that an electrical circuit is completely de-energized for service or maintenance. They are often found in electrical distribution and industrial a ...

, used in electrical circuits *

Barrier isolator Barrier isolator is a general term that includes two types of devices: isolators and restricted access barriers (RABS). Both are devices that provide a physical and aerodynamic (air overpressure) barrier between the external clean room environme ...

, a device that provides a physical barrier between a laboratory technician and a work process *

Optical isolator An optical isolator, or optical diode, is an optical component which allows the transmission of light in only one direction. It is typically used to prevent unwanted feedback into an optical oscillator, such as a laser cavity. The operation of ...

, a directional device in optical fiber communications *

Opto-isolator An opto-isolator (also called an optocoupler, photocoupler, or optical isolator) is an electronic component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the s ...

, a directional device in electronics *

Vibration isolator Vibration isolation is the process of isolating an object, such as a piece of equipment, from the source of vibrations. Vibration is undesirable in many domains, primarily engineered systems and habitable spaces, and methods have been developed to p ...

, any of various devices to isolate connected parts of an assembly from each other's vibrations **

Bushing (isolator) A bushing or rubber bushing is a type of vibration isolator. It provides an interface between two parts, damping the energy transmitted through the bushing. A common application is in vehicle suspension systems, where a bushing made of rubber ...

, one type of vibration isolator

Electronics

See also