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808nm, 4 Watt Laser Diode with All-Inclusive Control Electronics and Mounting System

  • 808nm Laser Diode, 4 Watts High Power Output
  • 808nm laser diode mounted to cold plate
  • 808nm Laser Diode Specifications
  • labview drivers

$4395.00   ships: 4 weeks | item#: LDX-808NM-4W-BT

Key Features
  • Includes 808nm, 4 Watt Laser Diode Source
  • All-Inclusive Control System: Controller + Mounting Plate + All Cables
  • User has Full Control of All Laser Diode Parameters
  • Peltier Cooled Laser Diode Mount Fully Configured for the Laser Diode
  • RS232 with LabView Drivers, Optional USB Control Available
  • Offered by OsTech, a Laser Lab Source Marketplace Seller
  • Sold & Supported in North America by: LaserDiodeControl.com, part of the
    Laser Lab Source Marketplace Group
Manufacturer/Seller, Shipping & Warranty Information

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MODEL LDX-808NM-4W-BT
PRICE $4395.00
Laser Diode Specifications (typical @ 25°C)
  • Output Power, CW (minimum): 4 Watts
  • Center Wavelength: 808 nm (±10 nm)
  • Spectral width, FWHM: < 5 nm
  • Threshold Current: 0.8 Amps
  • Operating Current: 7 Amps
  • Operating Voltage (max): 1.8 Volt
  • Slope Efficiency (typical): 0.8 W/A
  • Wavelength Tuning with Temperature △λ/△T (typical): 0.3 nm/℃
  • Internal Red Pilot Laser: 650 nm (±10 nm)
  • Internal Thermistor: 10 kΩ
  • Internal TEC Required Current: < 6 Amps
  • Internal TEC Required Voltage: < 10 Volts
  • Estimated Life Time (MTTF): 10,000 hours
Laser Diode Fiber Output Specifications
  • Core Diameter: 200 µm (62.5 µm or 105 µm on request)
  • NA: 0.22
  • Fiber Connector: SMA905
CONTROL UNIT - laser diode bias CURRENT source SPECIFICATIONS
  • Current Range: 0.00 - 8.00 Amps
  • Compliance Voltage Range: 14 Volts
  • Current Source Noise & Ripple (rms): < ± 0.5% ( of full scale current )
  • Current Setpoint Resolution: 5 mA
  • Current Setpoint Accuracy: +/- 0.5%
  • Current Source Stability (4 hours): ≤ 200 ppm
  • Current Source Limit Setpoint Accuracy: ± 2%
  • Photodiode Current Measurement Accuracy: ± 0.5%
  • Photodiode Current Measurement Range: 0.00 - 4,000 μA
CONTROL UNIT LASER DIODE PROTECTION FEATURES
  • Maximum Current Limit
  • Temperature Limit
  • Soft-Start Current Ramp Factory Default Set to 300 Milliseconds
  • Soft-Start Current Ramp to Setpoint (User Programmable)
  • ESD and Power Surge Clamp Reverse Voltage
  • Reverse Voltage Transient Clamp
  • AC Line Filter
  • Keylock Switch and Safety Interlock
  • Short Circuit when Laser Diode Current Turned OFF
  • Open Circuit Detection
Control Unit TEC Controller Specifications
  • Cooling Design: Peltier (TEC) Cooled Laser Diode Mounting Plate
  • TEC Controller Output Power Total: 96 Watts
  • TEC Controller Output Current Range (bipolar): ± 8.00 Amps
  • TEC Controller Output Voltage Range (bipolar) : ± 14.00 Volts
  • TEC Control Loop Algorithm: Full P.I.D.
  • Temperature Control Accuracy: 0.05°C
  • TEC Controller Setpoint Resolution: 0.01°C
Peltier Cooled Mount and Cable Specifications
  • Integrated Mounting Plate Peltier/TEC Ratings: < 8 Amps, 12 Volts (supplied by control unit)
  • Mount Heat Load Maximum: 38 Watts (@25ºC)
  • Fan Input Voltage Rating: 24 VDC (supplied by control unit)
  • Fan Input Current Rating: 300 mA (supplied by control unit)
  • Cooling Plate Material: Anodized Aluminum
  • Laser Mounting Area (total): 105mm x 75mm
  • Laser Mounting Plate Footprint: Holes Machined for Included Laser Diode
  • Laser Diode Current and TEC Controller Connector: DSUB, 15-pin
  • Includes 1.5 meter Current Interface Cable (20 Amp rated)
  • Includes 1.5 meter TEC Controller Interface Cable
  • Laser Diode Mounting Plate Thermal Resistance: < 0.06 K/W
  • Mount Waste Heat Removed by Fan Embedded in Heat Sink Block
USER INTERFACE
  • Front Panel LCD, Full Alphanumeric Display with Key Pad
  • RS232 Standard
  • USB Optional ($100.00)
  • LabView Drivers Included
  • GUI Control Software Included
Control Unit MODULATION and Slow Pulse (QCW) SPECIFICATIONS
  • MODULATION Bandwidth: DC ~ 25 kHz
  • MODULATION Signal: Accepts External Digital (TTL) or Analog
  • MODULATION Input Connetor: BNC, Input Impedance 10K ohm
  • MODULATION Input Voltage Range: 0 ~ 4 Volts (4V = Max Current)
  • QCW Pulse Rise and Fall Time: < 20 μs to CW (< 10 μs on request
  • QCW Trigger: Internal Function Generator or External Trigger
  • QCW Pulse Time Base Accuracy: ± 1.0%
control unit dIMENSIONS and power requirement
  • Power Input: Universal 100 ~ 230 VAC, 50/60 Hz
  • Control Unit Weight (total): ~ 5 kg
  • Dimensions: 200mm x 105mm x 85mm

Product Overview:

808nm, 4 Watt Fiber Coupled Laser Diode Source with Control System Overview

The LDX-808NM-4W-BT includes a fiber coupled 808 nm, 4 Watt laser diode as well as an all-inclusive control system: precision current source and temperature controller, laser diode mounting plate with the heat sink and cables. This laser module is suitable for applications including material processing, sample illumination, and solid-state laser pumping.

These systems are a convenient, high performance 808 nm multi-mode laser diode source and control solution for research and development in lab environments.

The fiber coupled laser sources are known for their high efficiency and robust thermal design structure. They are designed to yield lifetimes of thousands of hours at full rated power. The 11-pin fiber coupled package laser is mounted to the pre-configured heat sink for highly stable thermal control using a 10K Ohm thermistor and TEC cooler to provide active heat control of the package.

Modulation and Internal Function Generator Features

In addition to standard DC continuous wave mode of operation, these units offer an external modulation input and circuitry. They will accept either TTL or analog modulation from DC to 500 kHz. The modulation input is a BNC connector on the rear panel of the controller. The controller also includes an internal function generator which can be used to generate the modulation signal or QCW pulses from 20 μs to CW. The user has the option of using the internal function generator or triggering from an external generator.

User has Complete Control of the 808nm Laser Diode

The user has complete control of the 4 Watt laser diode through the front panel or through the rear panel RS232 interface (optional USB is available; please inquire). The user controls the bias current, temperature set-point, CW or modulated mode and several other parameters. The front panel has an LCD display with a touch key-pad. The menu structure is simple to operate, and features a status menu with current and actual temperature for the default home page setting.

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