Test & Measurement Sources Lasers

Product catalog summary

High-Power Discretely Tunable DFB Laser Modules for DWDM Testing

Overview: The TLB-3900 series lasers are compact, high-power DFB laser modules designed for DWDM systems. They offer high optical power, wide tunability, and stability in harsh environments.

Specifications:

Optical Power: 10 mW and 20 mW options
Tuning Range: 35 nm over the C band
Channel Spacing: 25 GHz (ITU grid)
Wavelength Limits: 1528.77 nm to 1563.05 nm
Wavelength-Switching Speed: 3 seconds
Linewidth: 2 MHz typical (10 MHz maximum)
Wavelength Accuracy: ±1.5 GHz
Side-Mode Suppression Ratio: 50 dB typical (40 dB minimum)
Operating Temperature: 10–40 °C
Storage Temperature: –40–95 °C
Price: $6,500 for TLB-3901, $7,500 for TLB-3902

Features:

Integrated wavelength locker for precise channel spacing
Built-in DSP and control electronics
Thermo-electric cooler for high stability

Safety Note: Viewing the laser output with optical instruments within 100 mm may pose an eye hazard.

10-Gbit/s 850-nm VCSEL

Overview: The Model 1780 is a 10-Gbit/s, 850-nm VCSEL designed for laboratory applications and testing of datacom devices.

Specifications:

Nominal Wavelength: 850 nm
Bit Rate: 10 Gbit/s
Output Power: 800 µW typical (750 µW minimum)
3-dB Bandwidth: 7.5 GHz typical (7.0 GHz minimum)
Impulse FWHM: 55 ps typical (60 ps minimum)
RMS Noise: 2.2% typical (2.8% maximum)
Power Supply: ±15 V, 50 mA
Price: $5,900

Features:

50-µm fiber connection
AC-coupled input and internal bias circuitry
10-position switch for VCSEL bias optimization

Related Products: Power Meters, Photodetectors, Power Supplies, Photoreceivers.

Catalog excerpts

Power 10 mW 20 mW PowerVariation (maximum, over wavelength) ձ0.5 dB 0.5 dBPowerVariation (maximum, over temperature) ѱ0.5 dB 0.5 dBTuningRange (typical) 35 nm 35 nmChannel Spacing 25 GHz (ITU grid) 25 GHz (ITU grid)Lower Wavelength Limit 1528.77 nm 1528.77 nmUpper Wavelength Limit 1563.05 nm 1563.05 nmWavelength-Switching Speed (typical) 3s 3sLinewidth (FWHM) 2MHz typ (10 MHz maximum) 2MHz typ (10 MHz maximum)Wavelength Accuracy(over life, steady-state) ѱ1.5 GHz 1.5 GHzSide-Mode Suppression Ratio 50 dB typ (40 dB min) 50 dB typ (40 dB min)Min. Optical Isolation 30 dB 30 dBRIN (20 MHzі10 GHz) 145 dB/Hz (֖135 dB/Hz max) 145 dB/Hz (֖135 dB/Hz max)Polarization Extinction Ratio(E-field along slow axis) 20 dB 20 dBFiber Type Fujikura PANDA PM Fujikura PANDA PMFiber Connector FC/PC-R-type (narrow key) FC/PC-R-type (narrow key)Key Alignment Slow Axis Slow AxisSupply Voltage (relative to ground) 3.3 V 3.3 VPeak Supply Current (while tuning) 2Amps 2AmpsTotal Power Dissipation (typical) 2W 2WSerial/RS-232 DB-9 (female RS-232) DB-9 (female RS-232)Operating Temperature 1040 ְC 1040 ְCStorage Temperature 40֖95 C Ж4095 ְC Model # TLB-3901 TLB-3902 CAUTION: Viewing the laser output with certain optical instruments (forexample, eye loupes, magnifiers, andmicroscopes) within a distance of100 mm may pose an eye hazard. Price* $6,500 $7,500 Related Products: Power Meters (page 134) Photodetectors (pages 76131) Definitions of Characteristics (page 51) *For international prices add 10%. >

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Test & Measurement Sources Lasers

Test & Measurement Sources Lasers

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