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Midwave-Infrared Laser Unequal Path Interferometer
The IR LUPI (Laser Unequal Path Interferometer) operates at awavelength of 3.39 micrometers and features an internal He-Ne IR laser as well as an integral collinear visible alignment laser. The IR LUPI is the ideal instrument for testing mid-wave infrared imaging systems of any size or complexity.
Visit us at www.optikos.com
107 Audubon RoadBuilding 3Wakefield, MA 01880Phone: 617-354-7557Fax: 617-354-5946Email: [email protected]
TESTINGTesting of optics and electro-optical imaging systems
PRODUCTSPrecision optical metrology equipment
ENGINEERINGSystem engineering for optical and metrology products
MANUFACTURINGPrototyping and production of electro-optical systems
State-of-the-Art Resolution and Accuracy� Includes a 640x512 pixel high-resolution cooled InSb camera
� Features Diffraction International’s Durango™ fringe analysis software
� System accuracy specified as 0.008 λRMS @ 3.39µm, with repeatability of0.001 λ RMS (Static Fringe Analysis)
Designed to MaximizeYour Productivity� Integrated aperture zoom, focus, and panning provide optimized viewing of the fringe pattern
� Optional objective lenses convert the output to a diverging beam for testing cameras, lenses, and other imaging systems
� An optional Translation Base provides extended 3-axis positioningtravel offering unprecedented positioning flexibility
� Internal reference mirror features selectable effective reflectivity values of 90%, 40%, and 4% to match the optics under test, available at the turn of a knob
Accessories
Objectives
Objective extension tubes
90˚extension tube elbow mirror
System Specifications
Specification Description Design ValueAccuracy 0.008 λ RMS Wavefront Error (WFE) @ 3.39µm
for System Mainframe
Repeatability with Static Fringe Analysis 0.001 λ RMS [email protected]µm
Repeatability with Phase-Shifting Fringe Analysis 0.0003 λ RMS [email protected]µm
Output Aperture Size with Extension Tubes 25mm diameterand ± 3mm Panning Range
Output Aperture Size, maximum 32mm diameter
Spatial Sampling 640 x 512 pixels
Acquisition Mode Static Fringe Analysis standard; Phase Shifting optional
Interferometer Laser SpecificationsLaser Type HeNe
Wavelength 3.39µm
Output Power ≥ 4mW
Beam Polarization Linear
Alignment Laser SpecificationsLaser Type HeNe
Wavelength 0.6328µm
Output Power ≥ 5mW
Beam Polarization Linear
MainframeEnvelope Dimensions (LWH) 1500mm x 470mm x 645mm
System Optical Axis Height 318mm @ lowest position
641mm @ highest position
Translation (with optional Translation Base)Along Optical Axis, coarse Infinite coarse positioning
Along Optical Axis, fine ± 38mm via leadscrew
Perpendicular to Optical Axis, coarse Infinite coarse positioning
Perpendicular to Optical Axis, fine ± 25mm via leadscrew
Vertical, fine 323mm total, via leadscrew
Electrical Requirements 120 VAC, 60Hz
Laser Safety CDRH Class IIIb Laser ProductIEC Class 3B
Weight 175lbs (Mainframe alone) 350lbs (with optional Translation Base)
SoftwareInterferometry Software Diffraction International Durango
Contact Optikos today to discuss your lens measurement [email protected]
The Optikos IR LUPI is available for immediate order placement as a standard system, or can be customized for your uniquemetrology requirements. Examplesof available customization would include optional positioning means,larger output aperture, and 10.6µm laser wavelength.
Controls� Remote-control Reference Beam Tip/Tilt
� Variable Attenuator for Camera
� Selectable Attenuator for Reference Beam
� Retroreflector In/Out
� Zoom Selector Turret
� Focus Adjustment
� Aperture Panning XY
� Reference Path Length Adjust
Sample Durango™ softwaredata acquisition screen