News | June 24, 2007

Colibri LED Light Source Created for Fluorescence Microscopy

June 25, 2007 - Carl Zeiss MicroImaging GmbH, a leading provider of microscopy solutions for a variety of research, clinical and industrial applications, recently introduced the Colibri, a patented high-performance, Light Emitting Diode (LED) light source for fluorescence microscopy.

The narrow band LEDs replace conventional white light sources to produce extremely high contrast images with an excellent signal-to-noise ratio, enabling the detection of weak signals and fine details in applications ranging from routine biomedical research to complex live cell imaging.

The intensity of the narrow-band LEDs can be quickly and accurately set for any wavelength and exactly adapted to the specimen, therefore ensuring maximum protection. As the switching procedure is purely opto-electronic, there is no motion or vibration that could impair image quality in high-speed time series experiments. With Colibri it is possible to switch excitation wavelengths in micro seconds. Minimized heat build-up also results in more stable conditions during experiments. This makes Colibri ideal for working with sensitive living cells, offering numerous enhancements for fluorescence microscopy with fixed specimen.

A selection of four LEDs can be used individually, sequentially or simultaneously with any intensity setting, which is particularly helpful in balancing intensities of the various fluorescence channels. Due to its design, Colibri offers high flexibility: 10 different wavelengths from UV to dark red are currently available.

The LED modules are equipped with automatic component recognition (ACR) and automatically recognized by the system, ruling out the possibility of incorrect operation. A motorized switching capability to a fiber-optically coupled white Metal Halide light source is integrated to add flexibility.

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