LSC4110-FP

1 mW 14 Pin DIL Cooled Laser Modules Technical Data LSCX110 Features • 1 Milliwatt Optical Output at 25 mA above Threshold, 25°C • Center Wavelength between 1280 nm and 1330 nm • Wide Modulation Bandwidth: LSC2110 - 800 MHz LSC4110 - 1.2 GHz • Wide Operating Temperature Range: -40°C to +85°C • Alternative Package Styles: LSC2110 - 14 Pin DIL LSC4110 - 14 Pin“Butterfly” Description LSCX110 laser modules are highly reliable fiber optic light sources operating in the 1300 nanometer band. The internal semiconductor lasers are based upon InGaAsP buried heterostructure (BH) technology and fabricated by the Metal Organic Vapor Phase Epitaxy (MOVPE) process, resulting in long lifetimes and modest threshold currents. LSCX110 packages include a photodiode for monitoring the laser output, a thermistor for monitoring laser heatsink temperature and a Peltier effect thermoelectric cooler (TEC). A heatsink mounting flange is incorporated into the base of the 14 pin “butterfly” package and a “bullhorn” type flange is used on the 14 pin DIL package. Applications • Telecommunications • Local Area and Metropolitan Area Networks • Point-to-Point Data Communications • Fiber Optic Sensors • Cable Television • Military Communications and Control Systems • Instrumentation Laser Safety Warning This device is a Class IIIb (3b) Laser Product. It may emit invisible laser radiation if operated with the fiber pigtail disconnected. To avoid possible eye damage do not look into an unconnected fiber pigtail during laser operation. Do not exceed specified operating limits. 460 5963-5308E (1/95) Pin Connections LSC2110 Top View TEC ANODE (+ve SUPPLY TO COOL) 1 NOT CONNECTED 2 NOT CONNECTED 3 RESERVED - DO NOT CONNECT 4 CASE GROUND 5 RESERVED - DO NOT CONNECT 6 MONITOR PHOTODIODE CATHODE (+ve SUPPLY) 7 TEC 14 TEC CATHODE (-ve SUPPLY TO COOL) 13 NOT CONNECTED 12 THERMISTOR 11 THERMISTOR 10 LASER ANODE (+ve SUPPLY) CASE GROUND 9 LASER CATHODE (-ve SUPPLY) 8 MONITOR PHOTODIODE ANODE (-ve SUPPLY) LSC4110 Top View TEC ANODE (+ve SUPPLY TO COOL) 1 THERMISTOR 2 MONITOR PHOTODIODE ANODE (-ve SUPPLY) 3 MONITOR PHOTODIODE CATHODE (+ve SUPPLY) 4 CASE GROUND 5 NOT CONNECTED 6 NOT CONNECTED 7 TEC 14 TEC CATHODE (-ve SUPPLY TO COOL) 13 LASER ANODE (+ve SUPPLY) CASE GROUND 12 NOT CONNECTED 11 LASER CATHODE (-ve SUPPLY) 10 CASE GROUND 9 NOT CONNECTED 8 NOT CONNECTED 461 LSCX110 Laser Diode Typical Operating Characteristics 1.5 LASER FORWARD VOLTAGE vs. FORWARD CURRENT 100 SPECTRAL CONTENT FORWARD VOLTAGE (V) 80 1.0 RELATIVE POWER 60 40 0.5 20 0 0 10 20 30 40 50 60 70 80 0 1290 1300 1310 1320 FORWARD CURRENT (mA) WAVELENGTH (nm) MONITOR DIODE PHOTOCURRENT (µA) 2.0 OUTPUT POWER vs. FORWARD CURRENT 800 700 600 500 400 300 200 100 0 0 MONITOR PHOTOCURRENT vs. OUTPUT POWER FIBER POWER (mW) 1.5 1.0 0.5 0 0 20 40 60 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 OUTPUT POWER (mW) FORWARD CURRENT (mA) 462 Absolute Maximum Ratings Absolute maximum limits mean that no catastrophic damage will occur if the product is subjected to these ratings for short periods, provided each limiting parameter is in isolation and all other parameters have values within the performance specification. It should not be assumed that limiting values of more than one parameter can be applied to the product at the same time. Parameter Laser Forward Current Laser Reverse Current Laser Reverse Voltage Photodiode Reverse Voltage Photodiode Forward Current Operating Temperature (Case) Storage Temperature Relative Humidity RH Fiber Pull Strength Mechanical Shock Vibration Symbol If Ir VIr Vr Ipf C Ts Conditions DC DC DC DC DC Pf = 1 mW Limits Min. -40 -40 0-0 Max. Units 150 mA 100 µA 2 V 10 V 1 mA +85 °C +85 °C non%RH condensing 10 N Mil Std 883, Method 2002, Test Condition A Mil Std 883, Method 2007, Test Condition A Performance Specifications Parameter LASER Threshold Current Ith Change with Temperature Peak Optical Output Optical Output Power Slope Efficiency Forward Voltage Differential Resistance Center Wavelength λc Change with Temperature Linewidth Rise Time Fall Time Small Signal Frequency Response LSC2110 LSC4110 Note: 1. Modulated measurements also available. Symbol Test Conditions CW, Rt = 10 kΩ, Tc = ~25°C unless otherwise specified Test Limits Min. Max. Units Units Ith ∆ Ith/∆ T Pf Pth η Vf Rd λc ∆λc/∆ T ∆λ τr τf Bw Bw Tc = 65°C to 85°C Pf = Pf @ Ith + 25 mA Pth = Pf @ Ith - 2 mA dV/dl Note 1 Tc = 65°C to 85°C, ∆T = -40°C FWHM (2.35 σ), Note 1 10% to 90%: Ith to Pf = 1 mW 90% to 10%: Pf = 1 mW to Ith m = 0.8 m = 0.8 5 1 0.04 1280 800 1.2 25 2.5 2.5 50 0.1 1.8 10 1330 0.4 5 0.5 0.5 - mA %/°C mW µW mW/mA V Ω nm nm/°C nm ns ns MHz GHz 463 Performance Specifications (cont'd.) Parameter Symbol Test Conditions Rt = 10 kΩ, Tc = ~25°C, CW, Pf = 1 mW, Vr = 5 V (Note 2) unless otherwise specified Im R Id ∆R 80 0.08 800 0.8 20 ± 0.5 ± 0.5 µA A/W nA dB dB Test Limits Min. Max. Units MONITOR PHOTODIODE Photocurrent Responsivity Dark Current Tracking Error Pf = 0 mW Im = Im @ (Pf = 1 mW, Tc = 25°C) ∆ T = -40°C, Tc = 85°C ∆ T = +65°C, Tc = -40°C Note: 2. Monitor Photodiode will also operate under zero bias conditions. Parameter THERMISTOR Resistance Temperature Coefficient of Rt ß Constant Symbol Test Conditions Tc = 25°C, Pf = 0 mW unless otherwise specified Test Limits Min. Max. Units Rt ∆ Rt/∆ T ß 9.5 0°C to 50°C 10.5 Typ -4.4 Typ 3900 kΩ %dR/K °K Parameter TEC TEC Cooling Current TEC Heating Current Voltage Symbol Test Conditions Tc = 25°C, Pf = 1 mW unless otherwise specified ∆ T = -40°C, Tc = 85°C ∆ T = 65°C, Tc = -40°C ∆ T = -40°C to +65°C Test Limits Min. Max. Units Ic Ih Vc - 1.0 1.0 2.0 A A V Fiber Pigtail: Tight jacketed, self-mode stripping, single mode fiber Parameter Length Spot Size (mode radius) Cladding Diameter Core/Cladding Concentricity Secondary Jacket Diameter Effective Cut-off Wavelength Minimum 1.0 4.5 122 0.8 1150 Maximum 5.5 128 1.0 1.0 1240 Units m µm µm µm mm nm Hewlett-Packard can offer a ruggedized fiber pigtail for this product range if extreme mechanical strength is required. The pigtail length can be customized to your specific length, with a connector, to a tolerance of ±25 mm. 464 LSC2110 Mechanical Outline S ∅U B A FIBER PIGTAIL ∅N F C KL T M J P D E G ∅H R DIM. A B C D E F G ∅H J MIN. MAX. 20.98 20.68 1.10 0.90 13.00 12.55 9.60 8.51 6.60 6.10 7.62 NOM. 2.54 NOM. 0.457 NOM. 7.21 7.01 DIM. K L M ∅N P R S T ∅U MIN. MAX. 19.05 NOM. 25.70 25.10 30.00 NOM. 4.20 – – 1000 6.20 5.80 6.00 NOM. – 6.00 3.17 NOM. ALL DIMENSIONS IN MILLIMETERS 465 LSC4110 Mechanical Outline A S B ∅T FIBER PIGTAIL C R F I H M L K N J D G P E DIM. A B C D E F G H I MIN. MAX. 30.15 29.85 20.95 20.65 12.75 12.45 9.35 9.05 1.60 1.40 6.10 4.90 5.75 5.45 2.54 NOM. 0.38 NOM. DIM. J K L M N P R S ∅T MIN. MAX. 0.25 NOM. 19.05 NOM. 30.00 NOM. – 1000 4.35 4.05 5.55 5.25 9.15 8.85 26.15 25.85 2.10 1.90 ALL DIMENSIONS IN MILLIMETERS 466 Ordering Information LSCX110 - XX Connector Type: FP = FC/PC ST = ST® SC = SC DN = DIN BI = Biconic D4 = D4 SF = Super Polish FC/PC Package Style: 2 = 14 PIN DIL 4 = 14 PIN “Butterfly” Handling Precautions 1. The LSCX110 can be damaged by current surges or overvoltage. 2. Power supply transient precautions should be taken. 3. Normal handling precautions for electrostatic sensitive devices should be taken. CDRH Certification Hewlett-Packard Ltd Whitehouse Road Ipswich, Suffolk IP1 5PB England Manufactured: ____ Serial No. ____ Model No. ____________ This product conforms to the applicable requirements of 21 CFR 1040 at the date of manufacture. Laser Warning ST® is a Registered Trademark of AT&T. 467