Fiber series eleventh week news Abstract 3

2012-03-13 11:46:02

Week News Abstract For Fiber Series in 10GTEK
The abstract is mainly about the optical communication related products,including: FTTH,GPON,EPON,SFPPLC,PTN,ODN,Optical module,Optical devices,optical communications,Optical transceiver module,Etc.

Fixed connection is a permanent connection
Fixed connections for cable lines, fiber-optic cables to connect the fixed amount of work is great, therefore, has a fixed connection on the line quality is very important. Fiber optic connection into the fixed welding and mechanical connection method, the fixed optical fiber connector loss, due to be connected by the fiber itself and the external process parameters and other factors, so the consistency of fiber connection loss subject to certain restrictions. Project to measure the average connection loss, from the practical point of view, 0.5dB connection loss has to meet the basic requirements, but the connection with optical fiber production process and technology continues to mature, fiber connection loss has been greatly reduced. In fiber-optic connection technology is widely used welding method, this method can be done to connect the average loss is less than 0.1dB, the method is the use of fiber-optic point discharge electrode welding machine, arc generated heat to melt into one optical fiber is connected .
Chinaopticcable about Optical detection
Optical detection system to connect the main purpose is to ensure the quality and reduce the failure factors, and failure to identify the fiber point of failure. Detection methods are many, mainly divided into artificial simple measurement and precision instruments to measure. A. artificial simple measurement: This method is generally used for rapid detection of optical on-off and construction to identify fiber made??. It is a simple light into visible light from the fiber end, which one from the other end of the observation light to achieve. Although this method is simple, but it can not quantitatively measure the optical attenuation and fiber break. B. Precision measurement: using power meter or optical time domain reflectometer Tracer (OTDR) for quantitative measurement of the optical fiber can be measured fiber attenuation and splice attenuation, or even detect the location of fiber break. This measurement can be used to quantitatively analyze the reasons for failure of fiber networks and fiber optic networking products to evaluate.
Fiber optic network test and measurement equipment
Optical Fiber IdentifierIt is a very sensitive photodetectors. When you bend a fiber, some light will radiate from the core. The light will be detected by optical fiber identifier, technical staff can be based on these multi-core optical fiber or single fiber patch panel to identify them from other fibers. Optical Fiber Identifier can not affect the transmission in the case of detection of the state and direction of light. To make this work easier, usually sending the test signal modulated 270Hz, 1000Hz or 2000Hz and into specific fiber. Most of the optical fiber identifier for the operating wavelength of 1310nm or 1550nm single-mode optical fiber cable, optical fiber identifier is the best macro bending technology can be used online to identify and test fiber optic cable in the transmission direction and power.2) Fault Locator (failure Tracker)This device is based on visible light laser diodes (red light) source, when the light into the fiber, if fiber breaks occur, connector failures, excessive bending, welding and poor quality, a similar failure, by launching the light into the fiber of the fiber can be visual fault location. Visual Fault Locator with continuous wave (CW) or pulsed mode of emission. The typical frequency of 1Hz or 2Hz, but it can work in the kHz range. The usual output of 0dBm (1Mw) or less, the working distance of 2 to 5km, and supports all common connector.3) The optical loss test equipment (also known as light meter or power meter)To measure the loss of a fiber optic link, you need to launch calibrated at one end of the stability of the light, and read out at the receiver output power. Both devices constitute the optical loss test set. The synthesis of a light source and power meter instrument, often called the optical loss test set (which was also known as light meter). When we measure the loss of a link, you need to have a test light source operating at the sending end and another person at the receiving end with a power meter to measure, so that can only come to one direction on the loss of value.Usually, we need to measure the loss of two directions (because of a loss or to the connection and said optical transmission loss due to the asymmetry caused by). At this time, technical staff must exchange equipment and then another direction measurements.
The above information is edited by 10GTEK.

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