High-power diode-laser modules and their applications

Transcription

1 High-power diode-laser modules and their applications Jö rg Neukum Laser 2007 Munich Workshop / World of Photonics

2 DILAS Diodenlaser GmbH DILAS GmbH founded 1994 located in Mainz Germany DILAS Inc. founded 2005 located in Tucson Arizona

3 DILAS in numbers 1993,5 1995,5 1997,5 1999,5 2001,5 2003,5 2005, Umsatz [Mio ] Founded: 1994 Employees: Majority Shareholder: Rofin Sinar Technologies Inc. since 1997 (Nasdaq RSTI) ISO certified Quality System Markets: DPSSL pumping Material processing Graphic Arts Medical Defence Instrumentation Research: 38 academics & engineers R&D Budget: ~11% of revenue Facilities: Mainz / Germany 2 buildings ~3300m² total 500m² clean room with class 100 workbenches other production area of ~700m² Tucson / Arizona 300m² facility Sales offices: representatives in all major market areas or direct sales from headquarter Products: Laser diode bars Laser diode stacks - vertical / horizontal Fibre coupled LD Laser Diode Systems custom solutions available wavelength nm - 785nm, nm - 808nm - 830nm - 880nm - 915nm - 940nm - 980nm nm nm and higher

4 Wavelength / Application < 800nm WAVELENGTH nm 652nm 668nm 670nm 689nm 730nm 780nm, Δ λ <<1nm APPLICATION Medical Photodynamic Therapy Medical Photodynamic Therapy Medical Photodynamic Therapy Cr 3+: LiSAF fs-laser age-related macular degeneration Medical Photodynamic Therapy Diode Pumped Gas Laser (Rubidium Vapour) MARKET Medical Medical Medical DPSSL Medical Medical Military (High Energy Laser) 785nm 792 / 797nm TM 3+: YAG => 2µ m Nd 3+ : YLF DPSSL DPSSL 795nm, Δ λ < 1nm Rb 3+ / Xe 139 / - pumping Instrumentation

5 Wavelength / Application nm WAVELENGTH 801nm 805 /808nm 810± 10nm 830nm 852nm, Δ λ <<1nm nm 901nm 905nm 915nm 940nm 968nm Δ λ < 1nm nm 980± 10nm APPLICATION TM 3+: YAG => 2µ m Nd 3+ : YAG hair removal, etc. Pre-Press, Computer to plate (CTP), direct on press (DOP) Diode Pumped Gas Laser (Cesium Vapour) Nd 3+ Yb 3+ Rangefinder direct Yb: Glas, Fiber Laser, Medical Yb 3+ Yb 3+ Yb 3+ Medical : XXX (various host crystals) : SFAB : YAG, Disk : YAG, Disk : Glas, Fiber Laser MARKET DPSSL DPSSL Medical, MAT Printing Military (High Energy Laser) DPSSL DPSSL Instrumentation DPSSL, Medical DPSSL DPSSL DPSSL Medical, MAT

6 Wavelength / Application > 1000nm WAVELENGTH 1064nm nm nm nm 1700nm 1850nm nm APPLICATION Medical Medical Akne, Turbulence Detection Er 3+ pumping Rangefinder Missile Defence Turbulence Detection, Plastic welding & Material processing on transparent Material Coagulation of Protein MARKET Medical Medical Medical, various others Military Military Military, MAT, Medical

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8 Conduction cooled bar packages Package Type Footprint Beam hight M7 25x25mm² 6,0mm M3 25x25mm² 7,7mm M10 25x25mm² 7,95mm M1 25x25mm² 8,7mm M8 10,3x25mm² 8mm 40W+ cw at standard wavelength M8 M1 M 10 M3 M7

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10 FC Conduction cooled single bar 40W 400µ m NA 0.22 incl. power monitor, pointer and fiber interlock 30W 200µ m NA 0.22

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12 FC Conduction cooled Multi-bar Concept

13 FC Conduction cooled Multi-bar 100W 400µ m NA 0.22 or 50W 200µ m NA 0.22

14 FC Conduction cooled Multi-bar 200W 400µ m NA 0.22 or 100W 200µ m NA 0.22

15 FC Conduction cooled Multi-bar 400W 400µ m NA 0.22 QBH

16 FC Conduction cooled Multi-bar Module Type Number of bars inside fiber core diameter, numerical aperture nm 1470nm IS3.2 (H200) 2x1 SMA 400µ m, NA W IS3.1 (H139) 3x1 SMA 400µ m, NA W 40W IS5.6 (H242) 6x1 (3x2) SMA 400µ m, NA W 80W IS5.3 (H293) 4x1 (2x2) Liquid cooled SMA, 200µ m, NA nm IS11.6 (H271) 12x1 (6x2) QBH, 400µ m, NA or 976nm All ISQ s contain hour counters and temperature sensors (NTC) Options: P=pointer, F=fibre interlock, M=power monitoring

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18 Soldering in electronic manufacturing Potentiometer Externe CMOS-Kamera Production with 100 parts/minute Diode laser system DFx06 Interne CCD-Kamera

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20 2-Dimensional Stacks IV x10 bar CW lensed

21 11 x 8 stacks each stack 25 bars stack 264 kw total 1msec pulse 941nm

22 10kW homogenized spot (60x18mm² )» 51 mm» 19 mm» 23 mm» 56 mm

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25 Thank you for your attention Please visit us at B3.401 Dr. Jörg Neukum Sales & Marketing phone: fax: DILAS Diodenlaser GmbH Galileo-Galilei-Strasse. 10 D Mainz Hechtsheim Germany