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Cross section of a single-mode optical fiber patch cord end, taken with a fiberscope. The circle is the cladding, 125 μm in diameter. Debris is visible as a streak on the cross-section, and glows due to the illumination. A typical single-mode optical fiber has a core diameter between 8 and 10.5 μm [7] and a cladding
Ordinary fibers measure 125 μm in diameter (a strand of human hair is about 100 μm). The inner diameter measures 9 μm for single-mode cables, and 50 / 62.5 μm for multi-mode cables. The development of "reduced bend radius" fiber in the mid-2000s, enabled a trend towards smaller cables.
Health care fraud includes "snake oil" marketing, health insurance fraud, drug fraud, and medical fraud. Health insurance fraud occurs when a company or an individual defrauds an insurer or government health care program, such as Medicare (United States) or equivalent State programs. The manner in which this is done varies, and persons engaging ...
Polarization mode dispersion, another source of limitation, occurs because although the single-mode fiber can sustain only one transverse mode, it can carry this mode with two different polarizations, and slight imperfections or distortions in a fiber can alter the propagation velocities for the two polarizations.
In fiber optics, polarization-maintaining optical fiber (PMF or PM fiber) is a single-mode optical fiber in which linearly polarized light, if properly launched into the fiber, maintains a linear polarization during propagation, exiting the fiber in a specific linear polarization state; there is little or no cross-coupling of optical power ...
This is an excerpt from our true crime newsletter, Suspicious Circumstances, which sends the biggest unsolved mysteries, white collar scandals, and captivating cases straight to your inbox every week.
The Lehigh Valley Committee Against Health Fraud, Inc. (LVCAHF, now called Quackwatch) was founded in 1969 by Stephen Barrett and H. William Gross, D.D.S. in Allentown, Pennsylvania. The Southern California Council Against Health Fraud (SCCAHF) had its origin in 1976 at Loma Linda University with academic colleagues William T. Jarvis and Gordon ...
Jimmy Carter signs Medicare-Medicaid Anti-Fraud and Abuse Amendments into law. The Office of Inspector General for the U.S. Department of Health and Human Services, as mandated by Public Law 95-452 (as amended), is established to protect the integrity of Department of Health and Human Services (HHS) programs, to include Medicare and Medicaid programs, as well as the health and welfare of the ...