科技报告详细信息
Hollow core and other infrared waveguides for instrumentation in intense radiation environments.
Weiss, Jonathan David
关键词: GAMMA RADIATION;    INFRARED SPECTRA;    IRRADIATION;    NEUTRONS;    NUCLEAR POWER PLANTS;    NUCLEAR WEAPONS;    OPTICAL FIBERS;    RADIATION EFFECTS;    RADIATIONS;    SPE;   
DOI  :  10.2172/1029799
RP-ID  :  SAND2007-7085
PID  :  OSTI ID: 1029799
Others  :  TRN: US1200046
美国|英语
来源: SciTech Connect
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【 摘 要 】

The purpose of this LDRD was to study the effect of steady-state neutron and gamma irradiation on the transmission of waveguides designed to operate well in the near- or mid-IR region of the electromagnetic spectrum. In this context, near-IR refers to the region between 1.3 {mu}m and about 2.4 {mu}m, and mid-IR between 3.0 {mu}m and 4.5 {mu}m. Such radiation environments could exist in nuclear power plants or nuclear weapons. Pulsed and steady-state radiation effects had been extensively studied on silica-based optical fibers because they have been the most readily available, most widely used in communications and sensing, and the least expensive. However, silica-based fibers do not transmit well beyond about 1.8 {mu}m and they are virtually opaque in the mid-IR. The mid-IR, as defined above, and beyond, is where vibrational spectroscopy is carried out. This type of sensing is one important application of infrared optical fibers.

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