1310nm laser diode part no .: LD131T10 feature emission wavelength 1310nm wide operating temperature high power high reliable, long lifetime lens output low threshold, low operation current applications optical communication local area communication bottom view absolute maximum ratings(tc=25 ) main specifications tc = 2 5 parameter symbol min. typ. max. unit testing conditions output power po - 5 - mw cw, king free central wavelength c 1280 1310 1340 nm cw, p o =5mw threshold current i th - 8 20 ma forward voltage v f 1.0 1.2 1.6 v cw, p o =5mw pd monitor current i m 100 300 a cw, p o =5mw pd dark current i d - 10 100 na v(pd)= 5v spectral width ? - 1.5 4.0 nm cw, p o =5mw - 40 - beam divergence - 20 - deg cw, p o =5mw, fwhm rise time t r - 0.3 0.7 ns p o =5mw ,10%~90% fall time t f - 0.3 0.7 ns p o =5mw ,90%~10% output power 10mw ld reverse voltage 2v pd reverse voltage 10v pd forward current 1.0ma operation temperature -40~+85 storage temperature -40~+100 cvc interna tional llc www.datasheet.co.kr datasheet pdf - http://www..net/
2 package dimensions typical properties curves cvc interna tional llc www.datasheet.co.kr datasheet pdf - http://www..net/
3 operation notes 1. absolute maximum ratings if an excessively large current flows in a laser diode, a lar ge optical output will occur and the emitting facet may sustain damage. this optical damage can occur even with momentary over-current. for this reason, absolute maximum ratings which must not be exceeded even momentarily have been establishe d. exercise particular cauti on with respect to the drive voltage supply and static electricity. we guarantee use within the absolute maximum ratings. these ratings are established for a case temperature of 25 _ c. as the temperature of a laser diode incr eases, its maximum output will decrease and the operating range will shrink. even when operated within the abs olute maximum ratings, operation at high temperature will result in a shorter life than operation at low temperature. for this reason, the desi gn should include sufficient margin for he at radiation and light output. 2. heat radiation conditions like other semiconductors, prolonged operation of a laser di ode will cause heat to build up at junctions and increased case temperature. for this reason, attach alum inum, copper (or other) heat sinks (at least 30 _ 30 _ 3mm) to the stem of the laser. 3.protection against damage due to electrostatic discharge and other current surges electrostatic discharge and other current surges can cause deterioration and damage in laser diodes, resulting in reduced reliability ,we advise taking the fo llowing protective measures : 1)ground the device and circuits. install surge filters, su rge reduction transformers, or other electrostatic discharge protectors in the power supply inputs. ( 2) when working with laser diodes wear anti-static clothi ng, including footwear and caps. materials should be selected carefully.? grounded wrist should always be worn while working with laser diodes, and the strap should be grounded through a 1 m ? resistance. ( 3) use anti-static contai ners for transport and storage. ( 4) laser deterioration and damage can occur due to excessive cu rrent spikes when the power is turned on or off. design circuits to avoid the generation of excessive current spikes. ( 5) inductive surges near equipment that emits high frequency emi can damage or destroy lasers. avoid using lasers near fluorescent lamps or other sources of emi emissions. 4. soldering use a grounded soldering iron to solder laser l eads. solder at a temper ature of no more than 250 _ c for a maximum of 3 seconds, at a point at least 2 mm from the base of the leads. 5.handling laser diodes never touch the glass window of the laser. a damaged or di rtied window will impair the performance of the laser. 6. handling packages due to the glass window in each device, packages must not be dropped or subjected to excessive pressure. 7. safety it is extremely dangerous to look, either directly or through a lens, at the laser beam emitt ed from a laser diode. use a tv camera or other similar device to adjust the optical axis. cvc interna tional llc www.datasheet.co.kr datasheet pdf - http://www..net/
4 quality assurance laser diodes (semiconductor lasers) have a much longer life t han other lasers such as gas or solid-state lasers. the components of our lasers have opt imum characteristic ranges. 1.quality assurance system (1) after the wafers have been manufactured, electrical and optical characteristics are measured to verify that characteristics can be achieved as t he manufacturing process progresses. (2) in-process inspections are conducted at various manufa cturing points to ensure the stability of our assembly operations. (3) all products are burned-in to minimize initial and random failures. (4) characteristics of all produc ts are tested before shipping. (5) products are managed by wafer lot. (6) reliability tests are performed on randomly selected samples. 2 . quality assurance measures (1) materials, manufacturing conditions, and inspecti on are controlled and maintained based on company set standards. temperature, dust, humidity and other environmental conditions are also controlled based on company standards. (2) measurement instruments used during the manufacturing process are regularly inspected and calibrated based on company measurement control standards. safety the laser beam emitted from a laser diode is almost invisi ble to both the human eye and the animal eye, however, it will injure the eye and sufficient caution must be exercised to avoid direct exposure or exposure through a fiber to the beam when a laser diode is in operation. to adjust the optical axis or perform other similar wo rk, we recommend using an infrared-sensitive itv camera. we also recommend that protective glasses be worn. notes 1. no unauthorized transmission or reproduction of this specification, either in whole or in part, is permitted. 2. the contents of this book are subject to change without not ice. always verify before us e that the contents are the latest specifications. if, by any chance, a defect should arise in the equipment as a result of use without verification of the specifications, cvc international llc can bear no responsibility whatsoever. 3. upon the sale of any such devices; other than for the buyer?s right to use such devices itself, resell or otherwise dispose of the same; no express or implie d right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or contro lled by cvc international llc is granted to any such buyer. 4. notes when exporting: please be sure to consult with our sales representatives to ascertain whether any product is classified as a strategic material. cvc interna tional llc www.datasheet.co.kr datasheet pdf - http://www..net/
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