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PRELIMINARY DATA
HIGH POWER CW LASER DIODE with PELTIER-COOLING L8413
Compact Peltier-cooling type
FEATURES
High optical power : 20 W/bar High stability Long life High cost performance Compact
APPLICATIONS
Pumping source for solid state lasers Materials processing Welding Soldering Medical systems High power laser diodes with a Peltier cooler feature several advantages such as high stability with long life and high cost performance with compact structure. Sinve they are designed to be small, they are easily applied as light source to pump solid state lasers, for material processing like welding or soldering, and for medical systems. The lasing areas consist of small laser emitters arranged in line and are thus called "Bar" structure. By stacking Bars as a module, a high power CW operation can be achieved. Water-cooling and Funryu-cooling (patent pending : Japan 8-139479, WO 00/11717) are also available. And focusing lens is available as an option.
ABSOLUTE MAXIMUM RATINGS (Each bar)
Parameter Radiant Output Power / bar Reverse Voltage Operating Temperature Storage Temperature Symbol e Vr Top(c) Tstg Value 22 2 +5 to +35 -20 to +40 Unit W V C C
CHARACTERISTICS (Each bar, Top(c) = 20 C)
Parameter Radiant Output Power / bar Peak Emission Wavelength Spectral Radiation Half Bandwidth Forward Voltage Beam Spread Angle : Parallel : Vertical Lasing Threshold Current Array Length Symbol e Conditions If = 25 A e = 15 W e = 15 W e = 15 W FWHM Value 20 808 4.0 1.8 10 35 10 10 Unit W nm nm V (degree) (degree) A mm
Vf
p
//
Ith -
*Contact sales stuff for emitting wave-length and radiant output power (e) other than above.
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. (c)2002 Hamamatsu Photonics K.K.
HIGH POWER CW LASER DIODE with PELTIER-COOLING L8413
Figure 1: Radiant Output Power vs. Forward Current (Typ.)
30 RADIANT OUTPUT POWER e (W)
Top(c) = 20 C
Figure 2: Typical Emission Spectrum
100 RELATIVE RADIANT OUTPUT POWER (%)
Top(c) = 20 C
80
20
60
10
40
20
0
0
10
20
30
0 799
802
805
808
811
814
817
FORWARD CURRENT If (A)
WAVELENGTH (nm)
Figure 3: Dimensional Outline (Unit : mm)
5.00.2 25.00.2 18.00.2 11.00.2 3.50.2
25.00.2 14.00.2
CATHODE(-) ANODE(+) 5.850.20 HAMAMATSU PHOTONICS K.K., Laser Group, Sales Dept. 5000, Hirakuchi, Hamakita City, Shizuoka, 434-8601, Japan, 10.90.5
4-M2
4-4.4
http://www.hamamatsu.com
Telephone: (81)53-584-0227, Fax: (81)53-584-0228, E-mail: laser-g@lsr.hpk.co.jp
U.S.A.: Hamamatsu Corporation:360 Foothill Road, P.O. BOX 6910, Bridgewater, N.J. 08807-0910, U.S.A.Telephone: (1)908-231-0960, Fax: (1)908-231-1218 E-mail: usa@hamamatsu.com Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658, E-mail: info@hamamatsu.de France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33(1) 69 53 71 00, Fax: 33(1) 69 53 71 10, E-mail: infos@hamamatsu.fr United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44)1707-294888, Fax: (44)1707-325777, E-mail: info@hamamatsu.co.uk North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171-41 Solna, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01, E-mail: info@hamamatsu.se Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741, E-mail: info@hamamatsu.it
Cat. No. LLD1007E02 APR. 2002 Printed in Japan (200)

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