LDD-1121-SV

Laser Diode Driver with Laser Power Control [LPC optional]
0-15 A / 0-15 V High-Precision CW, QCW and Pulsed

Laser Diode Driver LDD-1121-SV
Laser Diode Driver LDD-1121-SV with a pen


Base price:1103.00 CHF
Sales price 1103.00 CHF
Total without tax:1103.00 CHF
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Prices for multiple units
1: 1103.00 CHF/unit
2: 1064.00 CHF/unit
5: 1015.00 CHF/unit
10: 980.00 CHF/unit

For more than 10 units,
please request a quotation

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Please consider for your projects in the ms to CW range our LDD-1301 or LDD-1303 with similar or better parameters.


Precision driver for CW, QCW and pulsed operation, with internal signal generators for modulation and pulse. High efficiency and full digital control. Can also be used as a digitally controlled power supply. Our free of charge PC-Software enables an easy and quick integration into your system. Base model of the LDD-Family, with LPC option. If you are interested in the LPC option, please do not hesitate to contact us.

Detailed Description

The LDD-1121 is a specialized Laser diode driver able to work as CW Laser diode driver or Laser diode pulse driver. Core element of the LDD's internal current source is the generation of highly precise 333 ps timing steps that results in 1 mA resolution and very low ripple. Typical applications for the LDD-1121 are second harmonic generation (SHG), third harmonic generation (THG), and ultrashort pulse Laser.

Equipped with optional light measurement circuitry, the LDD-1121-SV-LPC can also be operated as a Laser Power Controller (LPC).

All LDD-1121s offer various safety features, including an input for Laser diode temperature monitoring. They are fully digitally controlled; their firmware is upgradeable to offer various communication options and to meet specific customer requirements.

Technical data

Supply Voltage 12-24 V DC
Output Voltage 0-15 V
Output Current 0-15 A, <0.1% Ripple
CW / Modulated Current :
- CW Current Control Configurable PID
- CW Current Resolution 0.3 mA
- CW Current Modulation 3 kHz (0.1 A/μs @ 5-15 A)
Pulsed Current :
- Pulse Generation CW Chopping
- Pulse Frequency up to 80 kHz
- Pulse Duty Cycle 0 to 100%
Laser Power Control :
- CW Light Control Configurable PID
- Light Meas. Sampling 0.5 MSps
Communication Interfaces RS485, USB
Configuration / Diagnosis via Communication Interfaces and PC-Software (free of charge)
Efficiency > 92% (@ >50% Load)
Dimensions (L x W x H) 120 mm x 90 mm x 18mm
Additional Information Possibility to operate in parallel mode to obtain double output current

Shop Information

  • Payments by credit card or by invoice
  • Cheques are not accepted
  • For more than the maximum number of units please request a quotation
  • Usually all products ship within 3-8 days
  • All prices excl. VAT (unless otherwise stated)
  • Additional to the shipping costs (only if sent with our account), there are duties and taxes to be paid by the recipient
  • The products are shipped worldwide