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LDI – Laser Diode Illuminator

High Power and Low Cost Multiline Laser Illuminator
89 North

The LDI Laser Diode Illuminator is a multiline, solid-state laser illuminator with up to seven laser lines covering most of the standard fluorescence probes in the visible range. The high output power of up to 1000 mW per wavelength allows short exposure times to visualize fast process. This small box system requires less space and only one fiber must be connected and aligned to the microscopic setup in comparison to a couple of single laser light sources.

The LDI is available as spot illumination laser light source with a multi-mode fiber as well as a widefield illumination light source with a liquid light guide.

Features

Low Cost vs. High Power and Precision

The LDI contains up to seven laser lines (405 nm, 445 nm, 470 nm, 520 nm, 528 nm, 555 nm*, 640 nm; *optional) with an output power of up to 1000 mW per wavelength at the price of a low power LED light engine. The feedback controlled output stability enables quantitative imaging and a high repeatability. A linear dynamic range of up to 100:1 gives the ability to turn the laser power down proportionally, if needed and maintain the stability and the quantitative imaging.

Easy to Use

The LDI system is easy to use and does not require any alignment or maintenance. A small software tool, which does not require any software specific driver, allows you to switch ON/ OFF and to regulate the laser intensity. In addition, the LDI is fully implemented in our SysCon software enabling applications in combination with the devices of the AiWon series and UGA‑42 series. In addition, each wavelength of the multi-laser engine can be externally and separately triggered by a TTL signal (ON/ OFF).

Applications
  • Photoactivation/ Photoinhibition
  • Photoconversion/ Photoswitching
  • Photoexcitation
  • Photobleaching/ FRAP
  • Uncaging/ Photolysis
  • Optogenetics/ Photostimulation
  • Neural mapping, dynamics and plasticity
Specifications
Source Type :Laser Diodes
Number of laser lines6 or 7 lines, depends on the model
Laser wavelengths:LDI-6 – 405/445/470/518/528/640 nm
LDI-7 – 405/445/470/518/528/555/640 nm
Output power: (Out of 400 micron, 0.22 NA fiber)405 nm –  300 mW
445 nm –  1000 mW
470 nm –  1000 mW
520 nm –  500 mW
528 nm –  500 mW
555 nm –  1000 mW (optional)
640 nm –  500 mW
Laser safety class:4
Types of illumination:Widefield or spot illumination
Fiber type:Spot Illumination: Multi-mode laser fiber (SMA)
Wideflied illumination : Liquid light guide (3 mm)
Stability:< 1% RMS (at 100% laser power)
Linear dynamic range:Up to 100:1
Lightsource modulation digital (TTL):7x Inputs (BNC)
Lightsource modulation analog (0 - 5V):7x Inputs (BNC)
SDK:Available upon request
Safety:Safety interlocked housing
Safety interlock
Key interlock
Humidity:< 80 % non-condensing, per our spec
Operating temperature:10-32˚C per our product spec
Storage temperature:-18 – 50˚C
Downloads
  • LDI Flyer (448.2 KB)
  • LDI Family (895.3 KB)
  • LDI WF (844.2 KB)
  • LDI NIR (784.1 KB)

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