High-power Laser Diode CW Stack Bar Module L11408 Series ■FEATURES ●High optical power: CW 100 W/bar ●High stability ●Long life ●Compact ■APPLICATIONS ●Measuring instrument ●Pumping source for solid state laser ●IR illumination for surveillance ●Heat treatment ■OPTION Possible to attach a fast axis collimation (FAC) lens • Beam spread angle(fast axis) 1° (typ) • Coupling efficiency > 95° ■SPECIFICATIONS CW operation Parameter Symbol Conditions Peak emission wavelength Tolerance of λp Spectral radiation bandwidth λp — ∆λ Radiant output power Φe Φe = 0.9 kW, 1.5 kW Φe = 0.9 kW, 1.5 kW FWHM If = 70 A If = 110 A Forward voltage Beam spread Parallel (Slow) Vertical (Fast) angle Lasing threshold current Expected life time Vf θ// θ⊥ Ith — FWHM — — [Temperature of coolant (IN): 20 °C, Flow rate: 4.0 L/min] Value Unit L11408-15-808 L11408-15-940 L11408-15-980 nm 808 940 980 nm ±5 nm 4 0.9 — — kW — 1.5 1.5 V <30 <10 ° (degree) <40 12 A 13 15,000 20,000 hour * Max. No. of Stack 32 * Stack pitch 1.58 mm ■COOLING CONDITIONS AND SURROUNDINGS Parameter Coolant Electric conduction ratio Permissible particle size Temperature range of coolant Flow rate per bar Water pressure Description / Value Deionized water 0.5 to 1.2 30 +5 to +30 0.25 <0.4 Unit — µS/cm µm °C L/min MPa 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. ©2012 Hamamatsu Photonics K.K. High-power Laser Diode CW Stack Bar Module L11408 Series Figure 1: Radiant output power vs. Forward current (typ.) Figure 2: Typical emission spectrum L11408-15-940 L11408-15-940 (Temperature of coolant (IN): 20 °C Flow rate: 4.0 L/min) 1.6 100 90 Relative radiant output power (%) Radiant output power Φe (kW) 1.4 1.2 1 0.8 0.6 0.4 0.2 0 (Temperature of coolant (IN): 20 °C Flow rate: 4.0 L/min) 80 70 60 50 40 30 20 10 0 20 40 60 80 100 0 930 120 935 Forward current If (A) 940 945 950 Wavelength (nm) Figure 3: Dimensional outline (unit: mm) 2- 4.3 Hole for power supply cable connection Electrode terminal (-) 43 15th bar 34.8 34.9 LD light 1st bar 12.7 8 0 0 24.5 25 50 56 61 0.5 0 5 Electrode terminal (+) Coolant IN ( 5) Coolant OUT ( 5) 16 4.4 2-M2 Depth 5 Hole for watercourse attachment fixing 30 23 3.5 0 6.5 9 M2.6 Depth 5 Hole for watercourse attachment fixing 2- 9.5 Depth 1 (for O-shape ring) * 1) Tolerance ±0.2 * 2) Recommendation for O-shape ring: 1.5 mm, Inner diameter 6.5 mm ●When using laser products, classify the laser products in accordance with IEC 60825-1. Take adequate measures for classificatoin . Observe the latest regulations and standards of each country and region. HAMAMATSU PHOTONICS K.K. www.hamamatsu.com HAMAMATSU PHOTONICS K.K., Laser Group, Sales Dept. 1-8-3, Shinmiyakoda, Kita-ku, Hamamatsu City, Shizuoka, 431-2103, Japan, Telephone: (81)53-484-1301, Fax: (81)53-484-1302, E-mail: [email protected] 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: [email protected] Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: [email protected] France: Hamamatsu Photonics France S.A.R.L.: 19, 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: [email protected] United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: 44-(0)1707-294888, Fax: 44(0)1707-325777 E-mail: [email protected] North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171-41 SOLNA, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 E-mail: [email protected] 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: [email protected] China: HAMAMATSU PHOTONICS (CHINA) Co., Ltd.: 1201 Tower B, Jiaming Center, No.27 Dongsanhuan Beilu, Chaoyang District, Beijing 100020, China, Telephone: (86)10-6586-6006, Fax: (86)10-6586-2866 E-mail: [email protected] Cat. No. LLDM2005E01 JUL. 2012 IP