A Precision Centering Solution for the Alignment & Inspection of Medium-Sized Lens Assemblies
The LAS-P™ is a larger (Precision), non-contact lens alignment and inspection system designed for optimizing lens centration and tilt in larger multi-element lens assemblies. OATi’s core measurement technology is based on focused laser reflection, with sources that are available over a broad range of wavelengths from visible (VIS) to Long-Wave IR (LWIR). Our CalcuLens™ software permits fast switching between wavelengths and power optimization, resulting in superior imaging with sub-micron measurement precision.
SYSTEM CAPABILITIES
Assembly diameters: < 400 mm
Assembly depths: < 1000 mm
Sample weight: < 225 kg
Centration Accuracy: 0.2-0.5 micron
Tilt Accuracy: 0.5-1.0 arcsec
Runout Precision: < 50 nm
SIZE/WEIGHT/POWER/REQUIREMENTS
System Dimensions: 850 x 740 x 2400 mm
System Weight: 600 kg
Bearing Diameter: 150 mm / 200 mm
Workbench Diameter: 200 mm / 300 mm
Vertical Stage Travel: 1000 – 1500 mm
Power Requirements: 110-220V AC, 50-60 Hz, 1-phase, 2-amps (220V)/4-amps (110V)
Compressed Air Requirements: 60 PSI (4 bars), 4 CFM flow,
OTHER ADD-ONS
Contact TIR Probe with software interface to CalcuLens™
Non-contact TIR Probe with software interface to CalcuLens™
Objectives: nominal working distance of 40 mm, 90 mm (standard), and 150 mm; broad-band versions also available with extended transmission from 400 nm to 12000 nm; extra-long working distances available up to 730 mm
Integrated Stand: unmoveable platform with passive vibration isolation
Glue dispensing and UV curing stations
VRM: Vertex/ROC Module for controlling surface airgaps within 2.5 microns
RAM: Reticle Alignment Module to align reticles, apertures, and detectors
APPLICATIONS
Cementing of doublets & triplets
Centering & bonding of multi-lens assemblies
Alignment & Inspection of multi-lens assemblies
Measurement of lens vertex height and airgaps
Measurement of lens Radius of Curvature
Measurement of lens/assembly beam deviation
TIR profiling of rotationally symmetric housings and cells
WAVELENGTH OPTIONS
LAS-P™ can accommodate up to 4 different spectral bands with up to 5 wavelengths
VIS: 460 nm, 520 nm, or 660 nm
NIR: 840 nm or 930 nm
SWIR: 1060 nm, 1300 nm, or 1550 nm
MWIR: 4050 nm
LWIR: 9500 nm
OTHER ADD-ONS
SPM: Surface Profiling Module for 3D optical surface profiling
IAM Image Analysis Module for on-axis MTF, EFL, BFL, FFL measurement
ATM: Aspheric Tilt Module to measure & optimize tilt of aspheric lenses
DMI-200/600: Distance Measuring Interferometer for center thickness and airgap measurement of tall lens assemblies (either 200 mm or 600-mm assembly depths)
LensHandler™ kit for lens edge painting, lens cleaning and inspection
ROTOwand™ for vacuum lens pick-up & handling
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