High Power Nano-second Pulsed Fiber Lasers and the Applications Sept. 2013 CIOE Pte. Ltd.
The Company - Organization chart Chairman General manager's office Fiber Communication Business Unit Laser Business Unit Supply Chain Management Sales & Marketing Finance Shenzhen Fiber Laser, Telecom. Components HR Singapore Fiber Laser R&D
The Company - Introduction Shenzhen JPT registered in 2006; Singapore JPT registered in Jan.2010, conduct R&D in fiber lasers; National Hi-Tech Enterprise; Member of SZIE (Shenzhen Institute of Electronics); Member of Shenzhen Hi-Tech Association; Qualified supplier of ZTE and Huawei; Fiber Laser entered Japanese market (2012); Fiber Laser entered Taiwan market (2013)
Fiber Communication Devices
Fiber Lasers Test & Assembly in JPT JPT the supplier of fiber lasers, provider of fiber laser solutions
The Market of High Power Fiber Laser Average 50% yearly growth for fiber lasers
The Fiber Laser vs. Conventional Solid Status Laser Pump LD Items Thermal Performance Beam Quality Robustness Compactness Price Nonlinearity After the Telecoms EDFA The Fiber Lasers another fiber revolution! - ORC Doped Fiber Gratings Fiber Lasers Excellent Good Good Cheaper Bad Normal Laser Beam Conventional Lasers Normal Normal Expensive Normal Mirror Pump In Laser Medium Because of the fiber geometry No bulk optics comments Partial Mirror Thermal lensing problem in bulk lasers Laser Beam FL need fewer mechanical components Due to long length and small mode area of fiber lasers, but can be solved by LMA fiber design
千瓦小时 kwh 用领先的光技术创造价值并服务人类 Performance comp. energy consumption & productivity 20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 3.7 14.0 0.9 4.3 Energy 能量消耗对比 Consumption - 70% 2.9 9.2 50.0 0.8 0.8 毫米镀锌板 mm 1 毫米铝板 1 mm 2 毫米不锈钢板 2 mm 2 毫米黄铜 2 mm 55 毫米铜板 mm 15 15 毫米钢板 mm 45.0 Galvanized Aluminum Stainless Brass Copper Steel 40.0 Steel 35.0 2.0 4.5 High Power Fiber Laser saves energy consumption 2kW 2 千瓦光纤 Fiber 3kW 3 千瓦 CO2 3.7 千瓦小时 m/min 10.5 30.0 25.0 20.0 15.0 10.0 5.0 0.0 +120% 42.5 20.0 +180% 30.0 11.0 Linear 线切割速度 Cutting Speed +75% 11.5 6.5 High Power Fiber Laser improves linear cutting speed for various materials 3.5 2kW 2 千瓦光纤 Fiber 3kW 3 千瓦 CO2 1.0 1.5 0.8 毫米镀锌板 0.8 mm 1 毫米铝板 1 mm 2 毫米不锈钢板 2 mm 2 毫米黄铜 2 mm 5 毫米铜板 5 mm 15 15 毫米钢板 mm Galvanized Aluminum Stainless Brass Copper Steel Steel 1.8
Beam Comparison of various lasers
The market of pulsed fiber laser in China 20,000 15,000 10,000 5,000 0 Pulsed 国内脉冲光纤激光器市场 fiber laser in China (Units) ( 台数 ) 2009 2010 2011 2012 2013 2014 20,000 15,000 10,000 5,000 Local 国产光纤 Imported 进口光纤 Pulsed 国内脉冲光纤激光器市场 fiber laser in China (Units) ( 台数 ) 8,000 500 800 1,000 1,700 4,000 MOPA QSwitch 调 Q 0 2009 2010 2011 2012 2013 2014
Pulsed Fiber laser #1: Q-switching based MOPA Pump LD WDM loss gain HR FBG YDF laser AOM time What is Q-switching? LR FBG 10 W 976 nm Pump Fiber Bundler Advantages: LMA YDF Isolator & Collimator Low Cost Lesser amplifier for 10/20W Good pulse shape Disadvantages: Not flexible Bottle net for higher power
Pulsed Fiber laser #2: LD Cur. Modulation based MOPA Modulated current Seed diode FBG Isolator Pump diodes Fiber Bundler Advantages: Flexible Control pulse width & Repetition rate independently tunable Pulse Shape tunable Widely tuning range Easy for upgrade Active Fiber Isolator Pump diodes Fiber Bundler Output Active Fiber Disadvantages: Isolator & Collimator Seed 1 st Amplifying 2 nd Amplifying output High Cost Complication of the laser system
Specifications comparison of MOPA pulsed fiber lasers Pulse Width Pulse Repetition Rate Peak Power Items Pulse width and Frequency dependently ~ 150 ns 20~100 khz 10 kw YES Q-Switched Pulsed Fiber Laser LD Cur. Modulated Pulsed Fiber Laser 3 ~ 500 5~1000 khz 20 kw NO P/W 8 7 6 5 20K 4 60K 3 50K 2 40K 1 30K 0-600 -400-200 -1 0 200 400 600 t/ns comments LD Cur. Modulated Fiber Laser can vary the pulse width freely LD Cur. Modulated Fiber Laser has wider operational Pulse Repetition Rate LD Cur. Modulated Fiber Laser has higher peak power LD Cur. Modulated Fiber Laser can be tuned independently Pulse Width/ns 200 180 160 140 120 100 80 60 40 20 0 Pulse Width/ns Peak Power/KW 0 10 20 30 40 50 60 70 Frequency/KHz Peak Power/W 7 6 5 4 3 2 1 0
Specifications comparison of MOPA pulsed fiber lasers Pulse Width Pulse Repetition Rate Peak Power Pulse Energy (mj) 0.6 0.5 0.4 0.3 0.2 0.1 0 Items Pulse width and Frequency dependently YES Q-Switched Pulsed Fiber Laser ~ 150 ns 20~100 khz 10 kw 40 80 125 175 225 275 325 375 425 475 Pulse Repetition Rate (khz) Pulse Energy (mj) Peak Power (kw) LD Cur. Modulated Pulsed Fiber Laser 3 ~ 500 5~1000 khz 20 kw NO 18 16 14 12 10 8 6 4 2 0 Peak Power (kw) comments LD Cur. Modulated Fiber Laser can vary the pulse width freely LD Cur. Modulated Fiber Laser has wider operational Pulse Repetition Rate LD Cur. Modulated Fiber Laser has higher peak power LD Cur. Modulated Fiber Laser can be tuned independently
The Double Clad Fiber Mode Conversion Active Rare-earth doped fiber transfer the MM pump energy to the high brightness, diffraction limited laser Offset Inner Clad D-shape Inner Clad Octagonal Inner Clad Square Inner Clad ORC - After the telecoms EDFA The fibre laser another fibre revolution?
LMA active double-clad fiber in NTU Brightness Brightness conversion: conversion: MM MM pump pump to to SM SM laser laser output output JPT collaborates with NTU on LMA active fiber evaluation and characterization
2 0-2 -4-6 -8-10 -12 Experiment P=50(mW) -14 v=50 (μm/ s) L=10 (mm) -16-18 1555.5 1556.0 1556.5 1557.0 Wavelength [nm] 0-2 -4-6 -8 1553.0 1553.2 1553.4 1553.6 1553.8 1554.0 Wavelength [nm] 1.0 0.8 0.6 0.4 0.2 0.0 0-3 -6-9 -12-15 Theory n eff1 =n eff2 =1.4472 κl=1.0348 1551 1552 1553 1554 1555 1556 HE11 HE12 HE13 HE14 HE15 HE16 1200 1300 1400 1500 1600 用领先的光技术创造价值并服务人类 UV inscribe FBG system mirror waveplate mirror Uniform FBG PS FBG phase mask TLS or SLED Chirp FBG λ B λb Λ Λ long λ Argon Laser (244nm) fiber holder cylindrical lens mirror short λ Transmission [db] Transmission [db] Reflectivity OSA translation stage PC Wavelength [nm] LP FBG Transmission [db] Wavelength [nm]
Fiber Laser Project high pulse energy pico-second fiber laser ~7.08 nm ~9.57 ps The optical pulse before compression ~225 fs NS 150 µm round holes in Silicon 760 ps The optical pulses after compression PS 50 µm
JPT s fiber laser products Pulsed Fiber Lasers YDFLP TP (10/20/30) YDFLP DP (10/20) YDFLP SP (5/10) YDFLP PICO (5/10) CW Fiber Lasers JCW 50 JCW 100 JCW 200 JCW 500 JCW 800 Other Fiber Lasers 10W 1550nm fiber laser 300mW CW fiber laser - 3~200ns pulsed fiber laser - 100/200ns dual pulse width fiber laser - 0.1ns pulsed fiber laser - pico-second fiber laser
MOPA Fiber Laser (YDFLP 10/20) Low Repetition Rate High Repetition Rate Specifications: Ave. Power (W) Lasing Wavelength (nm) Pulse Energy (mj) @20kHz Beam Quality Factor (M 2 ) Pulse Width (ns) Repetition Rate (khz) Power Range (%) Dimension W D H (mm) Low Repetition Rate YDFLP-S 10.5 ± 0.5, 21 ± 1.0 1064 ± 3 0.5 < 1.3 20 ~ 200 20 ~ 400 0 ~ 100 285 215 112 High Repetition Rate YDFLP-L 10.5 ± 0.5, 21 ± 1.0 1064 ± 3 0.5 < 1.8 20 ~ 200 20 ~ 400 0 ~ 100 285 215 112 Q-switched Pulses Train VS. MOPA Pulses Train High Frequency, High Peak power > 1000 Hours Reliability Testing
Ghost image test with JPT s fiber laser Objective: Compare the ghost image on laser sensitive material with JPT-MOPA and YLP Q-switched fiber laser Lasers: Scanner: Control Card: JPT MOPA & YLP Raylase MiniScan JCZ For sensitive material, JPT-MOPA has better marking effect because the ghost image is almost invisible for JPT-MOPA Q-Switch FL Marking JPT MOPA Marking
Precise control for pulses Pulses Train of Q-Switch JPT precise control on pulses
Applications with JPT s Fiber Laser
Spot Size Control and Optimization Spot size on the work piece can be controlled by changing the process head lens focus length and/or the input beam diameter 2ω 01 Output Collimator Beam Expander Reflector 2ω 02 2 2ω 02 Focus Length Focusing Lens Spot Size (um) vs Focal Length FL and Dia. Of Input Beam Dia. Of Focal Length (mm) um Input Beam 75 100 160 254 330 4 25 34 54 86 112 8 13 17 27 43 56 12 8 11 18 29 37 16 6 8 14 22 28 20 5 7 11 17 22 Dia. Of Focus Beam (mm) 0.12 0.1 0.08 0.06 0.04 0.02 0 Focal Length F=254 Output Dia. DOF 0 2 4 6 8 10 12 Input Beam Diameter (mm) 90 80 70 60 50 40 30 20 10 0 DOF. Focus Beam (mm)
IndiumTinOxide (ITO) Scribing Marking Requirement: Scribing on ITO with smooth edges and minimum thermal effected zone Marking Matrix F-Lens:F263MM Power:15W+ Pulse width:<10ns Frequency:300~800kHz Marking Speed:3000~7000mm/s ~225 fs
Thin layer Aluminum Ablation Marking Requirement: Remove the aluminum layer Marking Matrix F-Lens:F254\330MM Power:5-12W Pulse width:7-20ns Frequency:150~300kHz Marking Speed:5000~7000mm/s Laser ~225 fs Aluminum Transparent UV ~9.57 ps Subtract
Thin layer Aluminum Ablation JPT pulsed fiber laser provides solution for Samsung s S4
Pulsed laser solutions for passive SMD devices manufacturer Ceramics scribing Pulse width & frequency optimization help to improve the scribing quality JPT s pulsed fiber laser improve 30% efficiency for Ceramics scribing
Pulsed laser solutions for passive SMD devices manufacturer The equipment 1. Capture the NG devices; 2. Laser cutting the NG devices; 3. Improve the yield & quality; 4. Protect the human eyes