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fiber-optic technology

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003653
EISBN: 978-1-62708-182-5
... Abstract This article focuses on the methods that are being developed for detecting and monitoring corrosion: electrochemical methods, electromagnetic or sound wave methods, fiber-optic technology, fluorescence methods, and the Diffracto Sight method. It reviews the importance of data...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... by Vogel ( Ref 2 ) in Germany during the 1950s, but those glasses, while scientifically fascinating, found few applications. As fiber optic technology matured and interest in infrared transmitting glasses increased, Lucas ( Ref 3 ), in France, extended the work to heavy metal fluorides and discovered...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
..., radiography, X-ray computed tomography, thermography, low-frequency vibration methods, acoustic emission, eddy current testing, optical holography, and shearography. The article presents some examples are for fiber-reinforced polymer-matrix composites. Many of the techniques have general applicability...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... , IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control , Vol 68 (No. 7 ), 2021 , p 2324 – 2335 10.1109/TUFFC.2021.3078069 13. Sun G.G. , Zhou Z.G. , Li G.H. , and Zhou W.B. , Development of an optical fiber-guided robotic laser ultrasonic system...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005912
EISBN: 978-1-62708-167-2
... is a well-known technology practiced for decades ( Ref 1 , 2 , 3 ). The optical fiber preform is a long cylinder of glass that contains core and cladding glasses. The optical fiber uses the phenomena of total internal reflection, as described by Snell's law, to propagate light in the core of the optical...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005630
EISBN: 978-1-62708-174-0
.... By applying an antireflection coating to the emisison end of the cylinder, reflected losses can be reduced from approximately 4% to less than 1% at each end of the fiber cable. The photograph in Fig. 1 depicts a fiber optic cable connector using this technology. Fig. 1 Fiber optic cable connector...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003435
EISBN: 978-1-62708-195-5
... operations. Current fiber optic dosimeters ( Ref 21 ) have a limited life based on current technology development, but their cost appears to be dropping rapidly based on the sharing of development costs with the medical industry. Reducing the need for post-EB cure physical verification such as T g...
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...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005909
EISBN: 978-1-62708-167-2
... contacts fiber optic sensors induction furnaces induction melting insulation resistance refractory lining refractory materials wear monitoring MELTING WITH INDUCTION crucible furnaces (ICFs) is a well-established and reliable technology. The mechanical and electrical construction, power supply...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006460
EISBN: 978-1-62708-190-0
... and height of the incident ray, the system has a large etendue. For example, a meter-long cavity with mirrors with 85% reflectivity provides an etendue exceeding that of a collecting optical fiber with core diameter of 1 mm and numerical aperture of 0.35 (etendue equal to 0.4 mm 2 .sr). Fig. 9...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005627
EISBN: 978-1-62708-174-0
... fiber lasers, respectively; Nd:YAG refers to neodymium: yttrium-aluminum-garnet laser. The estimated BPP range for electron beams is shown for comparison. While the quality of laser beams is typically measured using the BPP, electron beam technology has not traditionally used the same convention...
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
... the option of lighting from only one side of the failed component, to better reveal fracture surface details. Fiber Optic Lighting Fiber-optic techniques are useful in directing light to a certain location, including cavities and hollow areas, as well as providing a means to emphasize fracture surface...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005618
EISBN: 978-1-62708-174-0
...-beam-delivery system with up to four optics, f 1 , f 2 , f 3 , and f 4 , that have finite focal lengths . The system is representative of most industrial beam-delivery systems for CO 2 as well as solid-state lasers, even those with fiber optic delivery. A flat mirror, such as a standard beam...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009082
EISBN: 978-1-62708-177-1
... that transmitted-light optical microscopy could be used to gain further insight into the morphology. By using transmitted-light optical microscopy, the differences in the refractive indices of the phases provide a more detailed analysis of the microstructure. Due to the low contrast of this natural fiber composite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... impregnation material quality microstructure morphology particle interlayer toughening prepregs reflected-light optical microscopy single-pass impregnation thermoplastic materials thermoset-matrix composites THE PERFORMANCE of fiber-reinforced composite systems has evolved in response to new...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005600
EISBN: 978-1-62708-174-0
... lasers and solid-state neodymium-doped yttrium-aluminum-garnet (Nd:YAG) lasers have been used for HLAW. With advancements in the performance of other solid-state technologies, fiber lasers, thin-disk lasers, and semiconductor diode lasers are increasingly used for HLAW. Advantages and Limitations...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003475
EISBN: 978-1-62708-195-5
... successful use of composite for solid-fuel rocket motor cases in the 1950s, composites have been continually developed for the aircraft, launch vehicles, missiles, and spacecraft structures. Elastic response, strength, failure mode, and damage tolerance characteristics of fiber-reinforced laminated...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
... illumination, magnification, and image processing to enhance visibility. Visual inspection has developed gradually from simple eyesight to the use of fiber optics and electronics with charge-coupled device (CCD) and complementary metal oxide semiconductor (CMOS) video cameras. Advantages and Limitations...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003067
EISBN: 978-1-62708-200-6
... applications, lighting, information display, electronic processing and electronic devices, optical and ophthalmic products, and communications equipment. architectural glass biomedical glass dental glass glass fibers lamp glass optical glass specialty glasses traditional glasses GLASS in its...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006545
EISBN: 978-1-62708-290-7
... market share over the past decade to solid-state lasers ( Ref 36 ). A primary reason for this is that CO 2 lasers emit in the far-infrared portion of the spectrum at a wavelength of approximately 10.6 μm; therefore, they cannot be delivered through an optical fiber, unlike the shorter-wavelength ranges...