free-space

free-space

Refers to natural viewing conditions, that is viewing an object that is neither housed inside an instrument, (e.g. in a synoptophore), nor viewed through an optical system. Syn. open environment; true-space.
References in periodicals archive ?
Complex permittivity can be measured using a number of techniques, including waveguide, cavity resonator, open resonant cavities, split-post dielectric resonator and free-space techniques.
The free-space vacuum state is not empty, but as Davies puts it, "[this living vacuum] holds the key to a full understanding of the forces of nature" [6, p.
The firm specializes in fiber-optic and free-space networking systems and components designed for military and commercial aircraft.
ADC (Nasdaq:ADCT) and LightPointe have announced that the companies have demonstrated interoperability between ADC's Digivance radio over fiber solution and LightPointe's Flight Free-Space Optics (FSO), expanding the target applications for ADC's patented Digivance system.
Eliminate many of the problems typically associated with free-space optical communications with the AirFiber 5800.
In addition, the quasi free-space reference defined in the document presents a major safety hazard since it requires measurement personnel to operate at heights in excess of 8 m.
It is a testament to the robust nature of the AlphaEta encryption method and the capabilities of the AOptix free-space optical terminals that they can be combined to create ultra-secure Gigabit-per-second air-to-ground optical links," says Professor Prem Kumar, Founder and CEO of NuCrypt.
An overview of the global market for free-space optical communications technology, defined as technology that uses light in free space (air, outer space, or vacuum) as a medium to transfer data wirelessly for computer networking or telecommunications.
For more information about fSONA, SONAbeam or Free-Space Optical Wireless, please contact:
LightPointe, a designer and manufacturer of carrier-class optical transmission equipment using Free-Space Optical (FSO) technology, has announced a strategic alliance with Texas Instruments, enabling development of new FSO systems.
Combining free-space optical technology with networking technology and refined optical links enables wireless optical networking.
Alfalight's current high-power diode laser product line includes free-space and fiber-coupled single emitters as well as fiber-coupled multi-emitter pump modules.