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AccuFiz compact laser interferometer

Laser Physics has announced an improved Accufiz laser in interferometer from 4D Technology.

4D Technology has introduced its newly improved AccuFiz compact laser interferometer, offering unmatched performance in production environments as well as in metrology labs, the new AccuFiz Fizeau interferometer, boasts industry-leading high frequency response and precision and a 40% improvement in repeatability.

New features include long-range wireless remote control, motorised tip-tilt and a variable sensitivity alignment system. 

 The wireless remote provides control over instrument set-up, data acquisition and the motorised tip-tilt for precise system adjustment without disturbing the cavity.  The improved alignment system makes it easy to align weakly reflecting samples and high-loss cavities, even in high ambient lighting conditions.

The new Surface Isolation Source option adds a second, external laser source to measure plane parallel optical surfaces, without the need for messy coatings or back-surface treatments to eliminate unwanted reflections.  This external source can be used to measure the front and back surfaces, optical thickness, wedge and homogeneity of optical components.  The operator can then switch easily to the internal source to measure a wide range of focal and afocal optics.

Designed to excel in challenging conditions, the AccuFiz is the industry’s only continuously adjustable extended source that can be used to optimise for test conditions and reduce artefacts from dust, defects and stray reflections, resulting in extremely low measurement noise.  On the shop floor or in a clean room, optional Dynamic Interferometry enables short exposure times to measure despite vibration, without isolation control.

Extremely easy to use in confined lab spaces, the AccuFiz has a compact, lightweight design, which is extremely rigid for maximum stability in any orientation or environment.

The full AccuFiz product line offers wavelengths from 355 nm to 10.6 µm, apertures from 33 to 800 mm and horizontal and vertical mounting configurations, providing the right options for a wide range of applications and budgets.

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