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DynaPhase® Dynamic Acquisition for Extreme Environments Confidence in metrology, no matter the conditions
Watch: DynaPhase® dynamic data acquisition
ChallengeOften, optical systems must be tested in locations that simulate their end-use environment. These environments can present challenges due to factors like large vibration and air turbulence, which can negatively affect or prevent the ability to acquire reliable optical measurements. Many of these challenges are addressed with less than optimal solutions, often suffering from drawbacks and issues related to usability, speed, reliability and precision.
SolutionZYGO's patented DynaPhase® data acquisition technology offers many differentiated benefits, without the limitations associated with alternative methods. Key attributes of DynaPhase include:
• Highest vibration tolerance in a Fizeau interferometer, enabled by the ZYGO-manufactured high-power laser* and fast acquisition speeds
• Patented in-situ calibration enables the highest precision, lowest measurement uncertainty measurements, and excellent correlation to temporal phase shifting interferometry (PSI)
• Simple setup and calibration compared to alternative approaches
• Cost-effective solution; available on nearly all ZYGO laser interferometers
Comparison of Measurement Techniques Using an Identical Measurement Cavity
Temporal Phase-Shifting Interferometry (PSI) Measurement
PSI measurement – the well accepted "true" measurement.
DynaPhase measurement – matches "true" PSI measurement data very well with patented calibration.
Carrier Fringe Measurement
Measurement without carrier fringe calibration – data contains aberrations inherent in the system resulting in unreliable data.
DynaPhase offers the versatility and performance to address a wide range of challenging optical testing environments and applications, including:
• Cryogenic and vacuum chamber testing
• Telescope components and complex optical systems
• Large tower, workstations and complex or unstable test stands
FeaturesDynaPhase is available on nearly all ZYGO laser interferometers. Features vary by model and enable users the flexibility to use capabilities that enhance efficiency in Production Mode, enable fast system alignment with LivePhase, or reveal temporal changes in data with Movie Mode.
SummaryGet the most from your metrology investment with the unique capabilities and unmatched versatility of DynaPhase, now available on the entire interferometer line from ZYGO.
Complete range of vibration tolerant metrology - check out ZYGO's patented QPSI vibration tolerant temporal phase shifting data acquisition enables metrology in the presence of common shop floor vibrations without the need for calibration.
Inquiry FormPlease use the form below to contact us with any questions you have regarding the DynaPhase® dynamic acquisition for vibration-tolerant interferometry.
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