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OptoVolt: High-Speed Voltage Imaging at Single Neuron Resolution

Bruker's OptoVolt™ Module for Ultima 2Pplus multiphoton microscopes delivers unprecedented kilohertz imaging rates to enable voltage imaging neural research. It provides a significant improvement over standard imaging techniques by capturing electrical dynamics at up to 1,000 frames per second and providing software-selectable multiplication modes. These accelerated imaging speeds allow neuroscientists to capture millisecond dynamics of cell-to-cell neural communication, and with the emergence of fluorescent voltage indicators, it is even possible to measure neural activity with higher temporal resolution than fluorescent calcium indicators have allowed.


OptoVolt contains multiplication optics that re-route the resonant scanning beam for customized aspheric microlens arrays. It also leverages large detection optics for collecting scarce photons, in vivo and deep into tissue.


This module multiplies up the scan speed with the microlens array and the resulting multiplication factor is based on the number of microlenses scanned across. It is seamlessly integrated with the 2Pplus, and is selectable as a scanning mode for ease-of-use. This gives researchers fast and flexible imaging for a range of novel experiments, including single-cell electrophysiology and wide-field calcium imaging. Researchers can build upon their existing microscope system as their research develops.


Product Specifications
Compatibility Ultima 2Pplus with Resonant Scanner
Detection System Bruker rtCore with ioCore electronics
Software Prairie View version 6.0 or later
Multiplication Modes Software selectable: x16: 1,100 fps; x8: 550 fps
Wavelength Optimized 920nm, 700 to 1,100 nm compatible
Transmission Minimum 70%
FOV Objective dependent, size may vary depending on lens manufacturer Accessible Reference FOV: 10x objective: 1,980 x 1,980 μm; 16x objective: 1,375 x 1,375 μm Scan Multiplied FOV area: 10x objective: 215 x 215 μm; 16x objective: 150 x 150 μm
IP License Boston University, Exclusive License: Scan Multiplier Technology for High-Throughput Scanning
About Bruker Daltonics
Bruker Daltonics is enabling scientists to make breakthrough discoveries and develop new applications that improve the quality of human life. Their high-performance scientific instruments and high-value analytical and diagnostic solutions enable scientists to explore life and materials at molecular, cellular and microscopic levels.
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