MultiLED Light Source

New four channel version of our OptoLED range!

The MultiLED includes USB control and a graphical user interface as standard. LED heads now include memory chip to set and show LED information and operating parameters on a built-in alphanumeric display.

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“Boost” mode available for temporary LED overdriving while maintaining protection and programmable timers with millisecond resolution and microsecond accuracy now included.

The ultra-high stability and near-instantaneous (just a few microseconds) vibration-free switching and intensity modulation are valuable in a wide range of applications such as combined imaging and electrophysiology, voltage sensitive dye studies and high-speed tracking.

The facility to “gate” the light source directly from the camera and thus only expose the specimen while the camera is integrating helps reduce photobleaching/photodamage and also prevents bleedthrough during frame readout or rolling shutter artefacts. Ultraviolet and white LEDs are also available for uncaging applications and brightfield illumination.

The rapid modulation and ability to accurately define independent illumination areas for different wavelengths make both the OptoLED and the new MultiLED the ideal sources for Optogenetics. A built-in programmable timer function is also now incorporated, which allows these and other applications to be controlled entirely within the light source itself. Also the control range is now automatically matched to the maximum continuous current rating for each LED, while at the same time allowing an optional “boost” facility for transient overdriving.

Application Usage

  • Multi-wavelength fluorescence microscopy
  • Visible/IR transmitted light microscopy
  • Optogenetics
  • Flash photolysis
  • Dedicated dual LED heads available for fura-2 or other dual excitation dyes

Features and Benefits

  • New four-channel version of our OptoLED range
  • USB control and Graphical User Interface included as standard
  • Built-in alphanumeric display to show LED information and operating parameters at a glance
  • Uses our existing modular LED head design for full compatibility with our other LED products
  • Wide variety of LED wavelengths available, from UV to IR. If it exists, we can provide it!
  • LED heads can now include memory to set and show LED information and operating parameters
  • Fast (<10 microsecond) switching via external digital inputs
  • Similarly fast analog intensity control via front panel, external input or USB (but subject to normal USB latency times in that case)
  • Tenfold lower range provided for more precise control of low intensities
  • “Boost” mode available for temporary LED overdriving while maintaining protection
  • Programmable timers with millisecond resolution and microsecond accuracy now included
  • Four additional timer channels provided for controlling other equipment
  • Modular LED coupling system now extended to include a compact lower-cost version for easier direct connection to a microscope, especially suitable for four-channel use

Research Examples

Coming Soon!

FAQ

Cairns’s design ethos is based on compatibility across a wide range of manufacturers. In the rare case where we do not have a compatible part, we have a custom design team available to provide a solution. 

We provide a comprehensive 12-month warranty on all our products.

We aim for a delivery time of 2-4 weeks. However, the specific delivery time will be confirmed at the point of order.

We offer full training and support across our entire product range. 

Yes, we have full custom design capabilities and a multidisciplinary team of scientists and engineers available to provide a solution that meets your needs. 

Our CellCams are supported in Micro-Manager and we have a full SDK available. 

Customer Reviews

"The build quality of their equipment is excellent, and has proven both reliable and versatile in our lab’s day-to-day research; our Cairn equipment has provided years of dependable service."
Andrew James
“Over the past 20 years we have purchased a wide range of equipment from Cairn Research, ranging from several Optopatch amplifiers, OptoLED, Optosourse arc lamp and custom-made optical pathways for nanoscale measurements.”
Walter Marcotti
“What I love about this company is the quality and the reliability of every piece of equipment that I purchased. The instruments are made of high-grade materials (mostly aluminum for the optics components) and are intended for heavy everyday use in the laboratory. “
Andreas Werdich

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