Catalog excerpts
OPTOLED Light Source Instantaneous wavelength switching Ultra stable, ultra bright, modular illuminator for epifluorescence and transmitted light microscopy, macroscopy & optogenetics. High intensity LEDs are now available across the visible spectrum extending into both the ultraviolet and infrared. Their fast switching, long life, high stability, variable intensity and lower power consumption make them ideal for both fluorescence and transmitted light microscopy. The OptoLED range is constantly evolving with new, bright exciting LED colours to replace dated mercury burners. Our modular, flexible couplings allow compatibility with arc lamp and laser illumination sources. APPLICATIONS Multi-wavelength fluorescence microscopy Visible/IR transmitted light microscopy High intensity Optical feedback for near perfect intensity and wavelength stability Instantaneous vibration-free switching Optogenetics using fibres or epi-illumination Macro fluorescence imaging/Optical Mapping Flash photolysis High speed Fura-2 calcium imaging Long life (should never need replacing) Variable intensity – no need for ND filters Minimal unwanted infrared (heat) output New FuraLED coupling available Fully modular system accommodates an ever- expanding range of filters and mirrors email: sales@cairn-research.co.uk tech@cairn-research.co.uk
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Near perfect stability SUMMARY The Cairn OptoLED is capable of driving two LEDs independently, over a wide range of currents. For pulsed illumination, switching times of less than 100 nanoseconds are achievable, and digital control inputs to support this mode of operation are provided. The standard operating current range, which is set either by a front panel control or by an external control voltage, is 0-5 amps (A). In addition, digital inputs are provided to switch each LED on and off independently, with rise and fall times of less than 100 nanoseconds. Additional sockets are provided to...
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