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light optical microscope

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Image
Published: 30 September 2015
Fig. 1 Simple optical, or light, microscope. Source: Ref 1 More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006684
EISBN: 978-1-62708-213-6
..., measuring the amount, size, and spacing of constituents, using the light optical microscope. The discussion covers the examination of microstructures using different illumination methods and includes a comparison between light optical images and scanning electron microscopy images of microstructure...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001836
EISBN: 978-1-62708-181-8
... Abstract The application of transmission electron microscope to the study of fracture surfaces and related phenomena has made it possible to obtain magnifications and depths of field much greater than those possible with light (optical) microscopes. This article reviews the methods...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003753
EISBN: 978-1-62708-177-1
... MB). Such an image will just fit on the conventional floppy disc of a microcomputer. However, image compression techniques are making it possible to reduce the storage requirement, often by an order of magnitude. The Light-Optical Microscope Both optical and scanning types of microscope...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003754
EISBN: 978-1-62708-177-1
... Abstract This article provides information on the basic components of a light microscope, including the illumination system, collector lens, and optical and mechanical components. It describes optical performance in terms of image aberrations, resolution, and depth of field. The article...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
... dynamic range image processing Fig. 28 Computer-controlled digital microscopic high-resolution Z-stack image of exemplar crankshaft fracture with light-emitting diode ring light illumination Fig. 29 Computer-controlled digital microscopic optical-SEM Z-stack image of exemplar...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
... with light-emitting diode ring light illumination Fig. 28 Computer-controlled digital microscopic optical scanning electron microscope Z -stack image of exemplar crankshaft fracture with light-emitting diode ring light illumination Fig. 29 Computer-controlled digital microscopic three...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... microscopy. bright-field illumination composite materials contrast microscopy dark-field illumination dyes etchants fluorescence microscopy interference microscopy macrophotography microscope alignment optical microscopy polarized-light microscopy reflected-light microscopy sample...
Image
Published: 01 December 2004
Fig. 20 Polar Faraday effect microscope using a monochromatic light source and convergent beam optics. A standard transmission optical microscope is used. The Faraday effect is typically observed in this geometry, where the light and sample magnetization are perpendicular to the sample surface More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003027
EISBN: 978-1-62708-200-6
.... This method determines the ratio of transmitted light to incident light and works when haze becomes significant because of microscopic surface irregularities. The evaluation of contamination in a transparent or translucent material may be for either optical or cosmetic reasons. Cosmetic particulate...
Image
Published: 15 January 2021
Fig. 28 Computer-controlled digital microscopic optical scanning electron microscope Z -stack image of exemplar crankshaft fracture with light-emitting diode ring light illumination More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... fracture information contained in optical and scanning-electron microscope fractographs. fractography fracture surface preparation light microscopy optical fractographs scanning-electron microscope fractographs FRACTOGRAPHY is the term coined in 1944 to describe the science of studying...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001833
EISBN: 978-1-62708-181-8
... criterion that the useful magnification of a light (optical) microscope ranges between 500 and 1000× numerical aperture. [1] This criterion also applies to photomacrographs, but is impractical to use because the lens-to-subject distance, which is variable, can be significantly greater than the focal length...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... on the photographic equipment used in failure analysis and on film and digital photography. The article describes the basics of photography and the uses of different types of lighting in photography of a fractured surface. The article also addresses the techniques involved in macrophotography and microscopic...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003230
EISBN: 978-1-62708-199-3
... in the shaft. These three basic tube designs can have either fixed or adjustable focusing of the objective lens at the distal tip. The distal tip also has prisms and mirrors that define the direction and field of view (see Fig. 2 ). Generally, a fiber optic light guide and a lamp producing white light...
Image
Published: 15 May 2022
Fig. 29 Computer-controlled digital microscopic optical-SEM Z-stack image of exemplar crankshaft fracture with light-emitting diode ring light illumination More
Image
Published: 01 December 2004
Fig. 25 Normal polar Kerr effect microscope using white light and parallel beam optics. (a) At the surface of the sample, incoming polarized light is reflected with an accompanying Kerr rotation. Domains with opposite direction of magnetization have corresponding opposite direction More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009076
EISBN: 978-1-62708-177-1
...-light microscopy and optimization of microscope conditions. Examples of composite ultrathin sections analyzed using transmitted-light microscopy contrast methods are also presented. contrast-enhancement methods fiber-reinforced polymeric composites grinding microscope optimization mounting...
Image
Published: 01 December 2004
Fig. 19 Different appearance of ferrite and cementite (Fe 3 C) constituents of pearlite when examined by optical (light) and scanning electron microscopes (SEMs). A polished specimen is chemically etched such that the Fe 3 C platelets stand out in relief. (a) In optical microscopy at low More
Image
Published: 01 January 2002
Fig. 5 Silicon nitride rod broken in uniaxial tension. Fracture origin is at the top of the image. Optical microscope; reflected light (direct illumination); picture width ∼5 mm More