commercial lasers key features ? 2 w output power ? high reliability ? 60 m aperture ? 0.22 na ? isolated electrical contacts the new high-brightness 2486-l4 ser ies laser diodes offer up to 2 w from a 60-m fiber into 0.22 numerical aperture (na)?ideal for thermal printing and other applications that require high brightness and a long life. the dramatic increase in output power, from the 60-micron fiber, also enables new technologies, such as flexography, illumination, and several material processing applications. the 2486-l4 series is available with customer-selectable fiber length and fiber termination, including bare fiber, sma, and st connectors. applications ? computer-to-plate printing ? flexographic printing ? illumination high-power 2 w 830 nm fiber-coupled diode laser 2486-l4 series north america : 800 498-jdsu (5378) website : www.jdsu.com worldwide : +800 5378-jdsu
2 2486-l4 series dimensions diagram 31 10 ( 3.9 ) 17 13 2x 1 7.5 2x 4.3 2x 2.5 11.8 b a 7.7 3.9 2.54 1.5 8.5 metal case strain relief boot pinout pin description a laser cathode (-) b laser anode (+) (specifications in mm unless otherwise noted.) standard tolerances mm: x.x = 0.5 x.xx = 0.25
3 2486-l4 series specifications for l4-2486-003 and l4-2486-005 1 parameter symbol minimum typical maximum laser characteristics cw output power, 0.14 na po 1.0 w - - mean wavelength 2 p 815 nm 830 nm 845 nm spectral width (90% integrated power) ? - 2 nm 7 nm slope efficiency d - 0.95 w/a - conversion efficiency - 44% - threshold current i th - 280 ma 350 ma operating current (bol) i op - 1.4 a 2.0 a forward voltage v f - 1.6 v 2.0v series resistance r s - 0.07 - recommended case temperature t c 20c 25c 45c wavelength tuning vs. temperature 3 ? / t - 0.3 nm/c - wavelength tuning vs. output power ? / p - 1.6 nm/w - fiber characteristics fiber core diameter d c - 60 m - fiber numerical aperture na 0.20 0.22 0.24 fiber cladding d cl - 125 m - fiber buffer d b - 250 m - fiber length l f 0.3 m 1 m 2.5 m 1. all performance data is measured at 25c, beginning of life (bol). 2. weighted average "center of mass" spectral point at 25c at p o 3. change in ? mean with case temperature over t op specifications for L4-2486-004 and l4-2486-006 1 parameter symbol minimum typical maximum laser characteristics cw output power, 0.22 na po 2.0 w - - cw output power, 0.12 na po 1.3 w - - mean wavelength 2 p 815 nm 830 nm 845 nm spectral width (90% integrated power) ? - 2 nm 7 nm slope efficiency d - 1.0 w/a - conversion efficiency - 50% - threshold current i th - 280 ma 350 ma operating current (bol) i op - 2.3 a 2.7 a forward voltage v f - 1.7 v 2.0 v series resistance r s - 0.07 - recommended case temperature t c 20c 25c 45c wavelength tuning vs. temperature 3 ? / t - 0.3 nm/c - wavelength tuning vs. output power ? / p - 1.6 nm/w - fiber characteristics fiber core diameter d c - 60 m - fiber numerical aperture na 0.20 0.22 0.24 fiber cladding d cl - 125 m - fiber buffer d b - 250 m - fiber length l f 0.3 m 1 m 2.5 m 1. all performance data is measured at 25c, beginning of life (bol). 2. weighted average "center of mass" spectral point at 25c at p o 3. change in ? mean with case temperature over t op
4 2486-l4 series absolute maximum ratings parameter symbol minimum typical maximum operating current i op - - 3.0 a reverse voltage v rvs --2 v case operating temperature 1 t op 15c - 50c storage temperature 2 t stg -30c - 70c lead soldering temperature, 10 s max t ls - - 300c relative humidity, non-condensing, ambient < 45c rh - - 85% electrostatic discharge (esd) 3 v esd - - 500 v fiber bend radius (long term deployment) 4 30 mm - - fiber axial pull force, 15 s - - 5 n fiber side pull force, 15 s - - 2.5 n 1. non-condensing, maximum 2. non-condensing, 2000 hours 3. c = 100 pf, r = 1.5 k ,, human body model, shown to be not damaging to its li characteristics or its reliability, i-v curves may change in this esd envi ronment 4. minimum bend radius of 30 mm is for long term mechanical fiber reliability product code wavelength range connector 1 sheathing fiber na l4-2486-003 815 ? 845 nm sma905 loose-tube pvdf 0.22 L4-2486-004 815 ? 845 nm st953 loose-tube pvdf 0.22 l4-2486-005 815 ? 845 nm st953 loose-tube pvdf 0.22 l4-2486-006 815 ? 845 nm sma905 loose-tube pvdf 0.22 configurations
2486-l4 series north america : 800 498-jdsu (5378) website : www.jdsu.com worldwide : +800 5378-jdsu ordering information for more information on this or other products and their availability, please contact your local jdsu account manager or jdsu directly at 1-800-498-jdsu (5378) in north america and +800-5378-jdsu worldwide, or via e-mail at customer.service@jdsu.com. sample: l4-2486-003 user safety safety and operating considerations the laser light emitted from this diode laser is invisible and may be harmful to the human eye. avoid looking directly into the diode laser or into the collimated beam along its optical axis when the device is in operation. caution: the use of optical instruments with this product will increase eye hazard. operating the diode laser outside of its maximum ratings may cause device failure or a safety hazard. power supplies used with the component must be employed such that the maximum peak optical power cannot be exceeded. cw diode lasers may be damaged by excessive drive current or switching transients. when power supplies are used, the diode laser should be connected with the main power on and the output voltage at zero. the current should be increased slowly while the diode laser output power and the drive current are monitored. device degradation accelerates with increased temperature, and therefore careful attention to minimizing the case temperature is advised. for example, life expectancy will decrease by a factor of four if the case is operated at 50 c rather than 25 c. a proper heatsink for the diode laser on a thermal radiator wi ll greatly enhance laser life. firmly mount the laser on a radiato r with a thermal impedance of less than 0.5 c/w for increased reliability. esd protection?electrostatic discharge is the primary cause of unexpected diode laser failure. take extreme precaution to prevent esd. use wrist straps, grounded work surfaces, and rigorous antistatic techniques when handling diode lasers. labeling 21 cfr 1040.10 compliance because of the small size of these devices, each of the labels shown is attached to the individual shipping container. they are illustrated here to comply with 21 cfr 1040.10 as applicable under the radiation control for health and safety act of 1968. serial number identification label output power danger label *see manual invisible laser radiation* danger gaalas diode cw 10 w max. class iv laser product 3110 avoid eye or skin exposure to direct or scattered radiation jdsu 3 hongmian road futian free trade zone shenzhen 518038 made in: china serial: model: l4-abc123 l4-2486-003 12/05/07 l4-abc123 product specifications and descriptions in this document subject to change without notice. ? 2008 jds uniphase corporation 301 62568 000 1108 2486l4.ds.cl.ae november 2008
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