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Supplier: Zygo Corporation
Description: qualification represent broadly-varying wavelength requirements, and all benefit from testing at design wavelength with an infrared interferometer system. ZYGO, long recognized as the world leader in interferometric testing instruments, has designed and built many
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Supplier: Zygo Corporation
Description: ZYGO's Verifire™ HD interferometer system provides fast high-resolution measurements of flat or spherical surfaces, and transmitted wavefront measurement of optical components and assemblies. The interferometric cavity length is precisely modulated while a high-speed camera captures several
- Zoom: 1 to 50 X
- Laser Wavelength: 633 nm
- Operating Temperature: 59 to 86 F
- Remote Interface: Computer Interface
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Supplier: Fairfield Crystal Technology, LLC.
Description: silica, most optical glasses, and IR materials, including zinc selenide and zinc sulfide. To ensure that the polished optic meets or exceeds customer specifications, each element is tested using state-of-the-art Zygo interferometers, hilger-watts autocollimators and custom laser scattering
- Surface Flatness: λ/10, λ/2, λ/20, λ/4, λ/5, λ/8
- Surface Quality: 10-5 Scratch / Dig, 20-10 Scratch / Dig, 40-20 Scratch / Dig, 60-40 Scratch / Dig, 80-50 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: 1/4λ, 1/10λ and 1/20λ Surface Flatness Options Certified with a Zygo Interferometer Each 1/20λ Flat Includes a Certificate of Calibration Single Surface Optical Flats Also Available Our dual surface optical flats are precision ground and polished to the stated accuracies on both
- Diameter/Width: 25.399986284007408 mm
- Thickness: 12.699993142003704 mm
- Surface Flatness: λ/20
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: 1/4λ, 1/10λ and 1/20λ Surface Flatness Options Certified with a Zygo Interferometer Each 1/20λ Flat Includes a Certificate of Calibration Single Surface Optical Flats Also Available Our dual surface optical flats are precision ground and polished to the stated accuracies on both
- Diameter/Width: 152.39991770404444 mm
- Thickness: 25.399986284007408 mm
- Surface Flatness: λ/20
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: 1/4λ, 1/10λ and 1/20λ Surface Flatness Options Certified with a Zygo Interferometer Each 1/20λ Flat Includes a Certificate of Calibration Single Surface Optical Flats Also Available Our dual surface optical flats are precision ground and polished to the stated accuracies on both
- Diameter/Width: 50.799972568014816 mm
- Thickness: 12.699993142003704 mm
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: Edmund Optics Inc.
Description: 1/4λ, 1/10λ and 1/20λ Surface Flatness Options Certified with a Zygo Interferometer Each 1/20λ Flat Includes a Certificate of Calibration Single Surface Optical Flats Also Available Our dual surface optical flats are precision ground and polished to the stated accuracies on both
- Diameter/Width: 76.19995885202222 mm
- Thickness: 19.049989713005555 mm
- Surface Flatness: λ/10
- Surface Quality: 60-40 Scratch / Dig
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Supplier: SPIE - Education
Description: infrared interferometers for testing ground surfaces are also discussed. The course also covers state-of-the-art direct phase measurement interferometers. This course describes the basic interferometry techniques used in the evaluation of optical components and optical systems.
- Type: Course
- Technology / Subject Expertise: Design / Engineering Methods (ESDU, DFx, etc.), Instruments / Sensors, Photonics / Optics
- Delivery: Internet / Online, On-site / In Plant
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Supplier: Knight Optical (UK) Ltd
Description: Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of a polished substrate and used in conjunction with a monochromatic light source light
- Diameter, Square Side, or Rectangular Length: 2 mm
- Thickness: 1 mm
- Optical Flat Material: Zerodur
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Supplier: Knight Optical (UK) Ltd
Description: Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of a polished substrate and used in conjunction with a monochromatic light source light
- Diameter, Square Side, or Rectangular Length: 2 mm
- Thickness: 1 mm
- Optical Flat Material: Zerodur
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Supplier: Knight Optical (UK) Ltd
Description: Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of a polished substrate and used in conjunction with a monochromatic light source light
- Diameter, Square Side, or Rectangular Length: 2 mm
- Thickness: 1 mm
- Optical Flat Material: Zerodur
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Supplier: Knight Optical (UK) Ltd
Description: Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of a polished substrate and used in conjunction with a monochromatic light source light
- Diameter, Square Side, or Rectangular Length: 2 mm
- Thickness: 1 mm
- Optical Flat Material: Zerodur
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Supplier: SPIE
Description: A distillation of Dr. Wyant's course at the University of Arizona, this Field Guide covers the key fundamentals of interferometry, types of interferometers and interferograms, concepts of phase-shifting interferometry, long-wavelength interferometry, testing of aspheric surfaces,
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Supplier: Primatics, Inc.
Description: a full set of accuracy, repeatability, straightness and flatness plots are included with each stage. Additionally, each unit undergoes extensive burn-in and testing. These steps ensure that the stage will deliver optimal performance over a long period of time.
- Stroke or X-Axis Travel: 0.9842525 to 3.93701 inch
- Rated Speed: 7.8740157480315 in/sec
- Carriage Load: 22.05 lbs
- Positioning Accuracy: 0.00004 to 0.00003 inch/inch
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Description: applications include measurements of end/length standards, long gage blocks, plug/pin gages, thread gages, and rings/discs. Features & Benefits of the Lab micrometer®: Digital laser interferometer with zero Abbe offset - for maximum resolution, traceability, and performance Wide
- Range: 0 to 64 inch
- Resolution: 0.0000001 inch
- Graduation / Resolution: 0.0000001 inch
- Range / Travel: 0 to 64 inch
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Supplier: Zygo Corporation
Description: precision machined components that ZYGO produces. Sizes of these components can range from less than a centimeter to a meter or more. Extreme Precision, Done Routinely Our customers often require us to control nanometer-level tolerances on global and local (die-level) flatness, surface
- Services: Design Assistance, Material Selection, Testing / Inspection
- Materials: Glass Ceramic, Sapphire, Silicate / Fused Silica
- Secondary Operations: Glazing / Coating, Lapping / Polishing
- Process: Machining
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Supplier: Zygo Corporation
Description: precision machined components that ZYGO produces. Sizes of these components can range from less than a centimeter to a meter or more. Extreme Precision, Done Routinely Our customers often require us to control nanometer-level tolerances on global and local (die-level) flatness, surface
- Secondary Operations: Anti-Reflective Coating, Etching / Blasting, Lapping / Polishing
- Services: Design Assistance, Glass Part Fabrication, Inspection / Testing, Material Selection, Materials Development / R&D
- Materials Processed: Glass Ceramic, Silicate / Fused Silica
- Process: Machining
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Description: (BBAR) coating • Applications: laser scanners, remote sensing, imaging instruments, fiber lasers, and interferometers Plano-concave Lensis a bulk optical singlet with a flat side and a convex side, which contribute to a negative focal length and a negative spherical aberration. Plano concave
- Focal Length: -25 mm
- Diameter / Length: 12.700000000000001 mm
- Surface Flatness: λ/10
- Surface Quality: 10-5 Scratch / Dig
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Description: (BBAR) coating • Applications: laser scanners, remote sensing, imaging instruments, fiber lasers, and interferometers Plano-concave Lensis a bulk optical singlet with a flat side and a convex side, which contribute to a negative focal length and a negative spherical aberration. Plano concave
- Focal Length: -100 mm
- Diameter / Length: 25.400000000000002 mm
- Surface Flatness: λ/10
- Surface Quality: 10-5 Scratch / Dig
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Description: (BBAR) coating • Applications: laser scanners, remote sensing, imaging instruments, fiber lasers, and interferometers Plano-concave Lensis a bulk optical singlet with a flat side and a convex side, which contribute to a negative focal length and a negative spherical aberration. Plano concave
- Focal Length: -50 mm
- Diameter / Length: 12.700000000000001 mm
- Surface Flatness: λ/10
- Surface Quality: 10-5 Scratch / Dig
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Description: (BBAR) coating • Applications: laser scanners, remote sensing, imaging instruments, fiber lasers, and interferometers Plano-concave Lensis a bulk optical singlet with a flat side and a convex side, which contribute to a negative focal length and a negative spherical aberration. Plano concave
- Focal Length: -300.00000000000006 mm
- Diameter / Length: 25.400000000000002 mm
- Surface Flatness: λ/10
- Surface Quality: 10-5 Scratch / Dig
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Supplier: Shanghai Optics
Description: (covering 400-700nm, 650-1050nm, 1050-2500nm), these optimized lenses are ideal for ensuring high resolution image quality and durability. With our in-house state-of the-art metrology and professional testing personnel, Shanghai Optics is able to provide a full range of inspection reports and
- Lens Type: Achromats
- Features: Doublet, Triplet
- Lens Application: Ultraviolet
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Supplier: Qioptiq
Description: velocity, geometrical forms, flatness and many other measurements can be determined by interference and compared to the wavelength of the light source. In turn, an interferometer with known geometrical data can be configured to determine the wavelength of a light source and analyze the
- Measurement Capability: Displacement / Position, Flatness, Specialty / Other
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In situ deformation measurement on the surface of Si wafers
1 p 342 Synborski Ch E 1973 High resolution flatness testing interferometer for 6-inch photoplates SPIE 001.
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Exact measurement of flat surface profiles by object shifts in a phase-conjugate Fizeau interferometer
Subject terms: flatness testing ; interferometers ; phase conjugation.
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Springer Handbook of Lasers and Optics
Applications of Lloyd’s mirror interferometers include flatness tests [16.15], measurement of refractive index and thickness of thin films [16.16], phase imaging in the soft x-ray regime [16.17], and interferometry of bound- ary diffraction waves [16.18].
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High-Resolution 3D Laser Imaging for Inspection, Maintenance, Repair, and Operations
Right) Sapphire window in interferometer for flatness testing , as the laser sensor requires higher quality optical surfaces than standard underwater video cameras.
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Geometrically desensitized interferometry for shape measurement of flat surfaces and 3-D structures
We construct an interferometer for flatness testing of precision-engineered objects such as rigid disk drive platters, pump parts, and fuel injectors.
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OSA | Absolute three-dimensional coordinate measurement by the two-point diffraction interferometry
P. de Groot, "Grating interferometer for flatness testing ," Opt. Lett. 21, 228-230 (1996).
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Adjustable coherence depth in a geometrically desensitized interferometer
Grating Interferometer for flatness testing .
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Coherence scanning in a geometrically desensitized interferometer
2 p de Groot, 'Grating interferometer for flatness testing ," Opt. Lett. i(3) 228-230 (1996).
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Development of a nanometer resolution flatness measurement system for the ceramic surface by using Blue-ray optical pickup
1996) Grating interferometer for flatness testing .
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High diffraction order grating interferometer for pitch measurement
P. J. de Groot, “Grating interferometer for flatness testing ,” Opt. Lett. 21(3), 228–230 (1996).