01854nam 2200433 450 991071347120332120200422093127.0(CKB)5470000002500939(OCoLC)1151544479(EXLCZ)99547000000250093920200422j198107 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEstimating mobile source pollutants in microscale exposure situations /by Melvin N. IngallsAnn Arbor, Michigan :Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division,July 1981.1 online resource (160 unnumbered pages) illustrations, map"EPA-460/3-81-021.""July 1981."Chiefly tables.Includes bibliographical references.AutomobilesMotorsExhaust gasAnalysisAutomobilesMotorsExhaust gasMathematical modelsAirPollutionUnited StatesMathematical modelsIndoor air pollutionUnited StatesMathematical modelsAutomobilesMotorsExhaust gasAnalysis.AutomobilesMotorsExhaust gasMathematical models.AirPollutionMathematical models.Indoor air pollutionMathematical models.Ingalls Melvin N.1392266United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division,GPOGPOBOOK9910713471203321Estimating mobile source pollutants in microscale exposure situations3522387UNINA07330nam 2200781 a 450 991100480890332120230721024304.01-5231-3208-61-68015-103-70-8194-8121-110.1117/3.785236(CKB)2470000000002982(OCoLC)503579070(CaPaEBR)ebrary10776027(SSID)ssj0000386720(PQKBManifestationID)11286265(PQKBTitleCode)TC0000386720(PQKBWorkID)10400122(PQKB)11523650(MiAaPQ)EBC3035175(OCoLC)606665648(CaBNVSL)gtp00538579(SPIE)9780819481214(EXLCZ)99247000000000298220100225d2008 fy 0engurbn||||m|||atxtccrMounting optics in optical instruments /Paul R. Yoder, Jr2nd ed.Bellingham, Wash. :SPIE,2008.1 online resource (771 p.)SPIE Press monograph ;PM181Bibliographic Level Mode of Issuance: Monograph0-8194-7129-1 Includes bibliographical references and index.1. Introduction -- Applications of Optical Components -- Key Environmental Considerations -- Extreme Service Environments -- Environmental Testing -- Key Material Properties -- Dimensional Instability -- Tolerancing Optical and Mechanical Components -- Cost Aspects of Tightened Tolerances on Optics -- Manufacturing Optical and Mechanical Components.2. The Optic-to-Mount Interface -- Mechanical Constraints -- Consequences of Mounting Forces -- Sealing Considerations.3. Mounting Individual Lenses -- Preload Requirements -- Weight and Center of Gravity Calculations -- Spring Mountings for Lenses and Filters -- Burnished Cell Mountings -- Snap and "Interference Fit" Rings -- Retaining Ring Constraints -- Constraining the Lens with Multiple Spring Clips -- Geometry of the Lens-to-Mount Interface -- Elastomeric Mountings -- Flexure Mountings for Lenses -- Mounting Plastic Lenses.4. Multiple-Component Lens Assemblies -- Spacer Design and Manufacture -- Drop-In Assembly -- Lathe Assembly -- Elastomeric Mountings -- Poker-Chip Assembly -- Assemblies Designed for High-Shock Environments -- Photographic Objective Lenses -- Modular Construction and Assembly -- Catoptric and Catadioptric Assemblies -- Assemblies with Plastic Housings and Lenses -- Internal Mechanisms -- Sealing and Purging Lens Assemblies.5. Mounting Optical Windows, Filters, Shells, and Domes -- Simple Window Mountings -- Mounting "Special" Windows -- Conformal Windows -- Windows Subject to Pressure Differential -- Filter Mountings -- Mounting Shells and Domes.6. Prism Design -- Principal functions -- Geometric Considerations -- Aberration Contributions of Prisms -- Typical Prism Configurations.7. Techniques for Mounting Prisms -- Kinematic Mountings -- Semikinematic Mountings -- The Use of Pads on Cantilevered and Straddling Springs -- Mechanically Clamped Nonkinematic Mountings -- Bonded Prism Mountings -- Flexure Mountings for Prisms.8. Mirror Design -- General Considerations -- Image Orientation -- First- and Second-Surface Mirrors -- Ghost Image Formation with Second-Surface Mirrors -- Approximation of Mirror Aperture -- Weight Reduction Techniques -- Thin Facesheet Configurations -- Metallic Mirrors -- Metallic Foam Core Mirrors -- Pellicles.9. Techniques for Mounting Smaller Nonmetallic Mirrors -- Mechanically Clamped Mirror Mountings -- Bonded Mirror Mountings -- Compound Mirror Mountings -- Flexure Mountings for Smaller Mirrors -- Central and Zonal Mountings -- Gravitational Effects on Smaller Mirrors.10. Techniques for Mounting Metallic Mirrors -- Single Point Diamond Turning of Metallic Mirrors -- Integral Mounting Provisions -- Flexure Mountings for Metallic Mirrors -- Plating of Metal Mirrors -- Interfacing Metallic Mirrors for Assembly and Alignment.11. Techniques for Mounting Larger Nonmetallic Mirrors -- Mounts for Axis Horizontal Applications -- Mounts for Axis Vertical Applications -- Mounts for Axis Variable Applications -- Supports for Large, Space-Borne Mirrors.12. Aligning Refracting, Reflecting and Catadioptric Systems -- Aligning the Individual Lens -- Aligning Multiple Lens Assemblies -- Aligning Reflecting Systems.13. Estimation of Mounting Stresses -- General Considerations -- Statistical Prediction of Optic Failure -- Rule-of-Thumb Stress Tolerances -- Stress Generation at Point, Line, and Area Contacts -- Peak Contact Stress in an Annular Interface -- Bending Effects in Asymmetrically Clamped Optics.14. Effects of Temperature Changes -- Athermalization Techniques for Reflective Systems -- Athermalization Techniques for Refractive Systems -- Effects of Temperature Change on Axial Preload -- Radial Effects in Rim Contact Optics -- Effects of Temperature Gradients -- Thermally Induced Stresses in Bonded Optics.15. Hardware Examples -- Infrared Sensor Lens Assembly -- A Family of Commercial Mid-Infrared Lenses -- Using SPDT to Mount and Align Poker Chip Subassemblies -- A Dual Field IR Tracker Assembly -- A Dual Field IR Camera Lens Assembly -- A Passively Stabilized 10:1 Zoom Lens Objective -- A 90 mm, f/2 Projection Lens Assembly -- A Solid Catadioptric Lens Assembly -- An All Aluminum Catadioptric Lens Assembly -- A Catadioptric Star Mapping Objective Assembly -- A 150 in., f/10 Catadioptric Camera Objective -- The Camera Assembly for the DEIMOS Spectrograph -- Mountings for Prisms in a Military Articulated Telescope -- A Modular Porro Prism Erecting System for a Binocular -- Mounting Large Dispersing Prisms in a Spectrograph Imager -- Mounting Gratings for the FUSE Spectrograph -- The Spitzer Space Telescope -- A Modular Dual Collimator Assembly -- Lens Mountings for the JWST's NIR Cam -- A Double-Arch Mirror Featuring Silicon-Foam-Core-Technology.[Appendices] -- Unit Conversion Factors -- Mechanical Properties of Materials -- Torque-Preload Relationship for a Threaded Retaining Ring -- Summary of Methods for Testing Optical Components and Optical Instruments Under Adverse Environmental Conditions.Entirely updated to cover the latest technology, this second edition gives optical designers and optomechanical engineers a thorough understanding of the principal ways in which optical components--lenses, windows, filters, shells, domes, prisms, and mirrors of all sizes--are mounted in optical instruments.SPIE Press monograph ;PM181.Optical instrumentsDesign and constructionOptical instrumentsDesign and construction.681/.4Yoder Paul R753888Society of Photo-optical Instrumentation Engineers.CaBNVSLCaBNVSLCaBNVSLBOOK9911004808903321Mounting optics in optical instruments4387975UNINA