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Optical splitter

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The Optical Splitter is a passive optical device that divides an input optical signal into two or more output signals. It evenly distributes the input power across the output ports, maintaining the original signal characteristics.

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Lab products found in correlation

2 protocols using optical splitter

1

Optogenetic Modulation of Auditory Perception

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Mice were first trained on the single-tone detection task as described above using a subset of intensities (0, 30, 40 and 60dB). During behavioral testing, a blue (420 nm) laser (Shanghai) was coupled to a pair of optical fibers (Doric optical splitter), which were positioned bilaterally over the auditory cortex cranial windows. Laser pulses (25 Hz, 50% duty cycle, 15–30mW) were presented on 50% of sound trials. Laser stimulation began 200 msec prior to tone presentation and continued for 1.2 sec, which covered the entire response window. To accurately estimate the mouse’s chance performance on optogenetic trials and to deter the mouse from using light as a cue, 50% of stimuli were laser only trials, and a short air puff (100ms, Picospritzer II) was directed toward the mouse’s face as negative reinforcement on trials where the animal licked in response to laser only trials.
Schneider D.M., Sundararajan J, & Mooney R. (2018). A cortical filter that learns to suppress the acoustic consequences of movement. Nature, 561(7723), 391-395.
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2

Optogenetic Modulation of Auditory Perception

Check if the same lab product or an alternative is used in the 5 most similar protocols
Mice were first trained on the single-tone detection task as described above using a subset of intensities (0, 30, 40 and 60dB). During behavioral testing, a blue (420 nm) laser (Shanghai) was coupled to a pair of optical fibers (Doric optical splitter), which were positioned bilaterally over the auditory cortex cranial windows. Laser pulses (25 Hz, 50% duty cycle, 15–30mW) were presented on 50% of sound trials. Laser stimulation began 200 msec prior to tone presentation and continued for 1.2 sec, which covered the entire response window. To accurately estimate the mouse’s chance performance on optogenetic trials and to deter the mouse from using light as a cue, 50% of stimuli were laser only trials, and a short air puff (100ms, Picospritzer II) was directed toward the mouse’s face as negative reinforcement on trials where the animal licked in response to laser only trials.
Schneider D.M., Sundararajan J, & Mooney R. (2018). A cortical filter that learns to suppress the acoustic consequences of movement. Nature, 561(7723), 391-395.
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