New Andor MicroPoint 4, a high-end photo-stimulation device

New Andor MicroPoint 4, a high-end photo-stimulation device

As the fourth generation of the highly successful MicroPoint product family, MicroPoint 4 will continue to prove an outstanding tool for optical manipulation of a wide range of microscopic specimens from life and materials sciences: now with more capabilities.

The MicroPoint family was first brought to market in the early 2000s and immediately found favour in the scientific community, where its patented, miniature dye laser was used for optical microsurgery on model organisms such as c. elegans, drosophila and zebra fish. With elegantly designed experiments, scientists severed single axons and guide cells to understand regeneration and development. While in single cells, the tiniest fibres were excised to study mitosis (cell division) and DNA damage was induced to characterise DNA repair.

MicroPoint 4 builds on this legacy, with an all-new smart controller, fast galvos and new lasers. Galvo and Manual models support the classic nitrogen-pumped dye laser which selects from 24 different wavelengths, by simply replacing a dye cell. A new fibre spot adapter (FSA), delivers a continuous wave (CW) laser for bleaching and photo-activation of fluorescent proteins.

Significantly, MicroPoint 4 offers Pico: a new ultra-compact YAG laser. With 1 ns pulse width and 5 kHz repetition rate, Pico delivers kW peak-power and is ideal for microsurgery, DNA damage and uncaging. 355 or 532 nm emission is selected by filter, and Pico can be combined with FSA for ultimate flexibility. Pico is expected to be released in January 2024.

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