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  • VFI-1200 Interferometer
May 2011
Arden Photonics Ltd.Request Info
BIRMINGHAM, England, May 27, 2011 — Arden Photonics Ltd. has launched the VFI-1200 optical fiber end-face interferometer, based on the foundations of the company’s VF-20 Trio.

The VFI-1200 is an interferometric inspection system designed for checking the surface quality and flatness of cleaved, polished or lensed fibers. Crisp end-face images show every defect, and high-contrast fringe patterns make it easy to estimate end angles. The 5-megapixel camera shows every detail and has a 6× digital zoom.

Designed for fiber handling, proprietary fiber holders make the instrument accurate and easy to use. Third party adapter plates facilitate integration into critical cleaving and polishing operations. The holders can accommodate fibers with diameters from 125 to 1200 µm.

The included software package enables the user to grab, save and print images, and to record quality assurance data and generate reports. The report generator lets operators include up to 20 cleave images in one report, along with comments. Other features include intensity line profile, intensity histogram, auto-optimization of intensity, end angle estimation, pseudo-color rendering and review of stored images.

Applications include precision cleaver manufacture; cleaver maintenance; laser manufacture; medical device manufacturing; fiber R&D; and development and testing of angled cleaves and cleavers.


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An instrument that employs the interference of lightwaves to measure the accuracy of optical surfaces; it can measure a length in terms of the length of a wave of light by using interference phenomena based on the wave characteristics of light. Interferometers are used extensively for testing optical elements during manufacture. Typical designs include the Michelson, Twyman-Green and Fizeau interferometers. The basic interferometer components are a light source, a beamsplitter, a reference...
surface quality
The specification of allowable flaws in a surface by comparison to reference standards of quality. Two graded sets of surface quality standards are employed. The first denotes defects of a long nature such as scratches, and the second indicates essentially round defects such as digs.
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