Ce:YAG + LED Optical Head
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Ce:YAG + LED Fiber Light Source combines the light emissions of a Ce:YAG module and selected LED module. It comes with integrated cooling system and respective drivers. This light source is optimized for 200 µm core diameter optical fibers with 0.53 numerical aperture but can be used with other optical fibers as long as they have FC type connector. The fiber-coupled output power increases with the core diameter up to about 600 µm.
Light sources can be controlled manually or using a computer via a USB port and Doric Neuroscience Studio Software. Both channels are controlled independently through software defined sequences or using the respective BNC input connector for an external control by analog or TTL signals. Each channel also includes a BNC connector that outputs a voltage proportional to the driving current. This output signal can be used for the synchronization of other devices. Doric Ce:YAG Drivers safety features include a rear panel interlock connector, a master key switch and, for each channel, a white LED illuminated knob indicating if the corresponding source is activated. Unlike most commercial drivers, Doric driving electronics eliminates the leakage current and the corresponding light output when the current is set to zero. This is of crucial importance for optogenetics experiments.
Its optical output is ideal for optogenetics experiments where activation and silencing of opsin labeled neurons is required, for Optogenetically Synchronized Fluorescence Microscopy Systems and for 2-color Fluorescence Microscope Systems.
Notes:- Ce:YAG + LED optical head requires associated Ce:YAG + LED driver to driver current to laser diodes that generate fluorescence light.
- Each Ce:YAG+ LD Fiber Light Source comes with an empty Filter Holder for Ce:YAG Fiber Light Source (YFH).
- Different Bandpass filters for Ce:YAG Fiber Light Sources (YBPF) are available.
- Details concerning the internal function of the light source can be found in our Laser Focus World article
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Optical Connector
FC/PC receptacle Optical Fiber Multimode
50 to 960 µm core diameter
NA 0.22 to 0.66Electrical Connector High Power DB-15 Dimensions 150 mm x 100 mm x 85 mm Mass 1300 g -
updated 2021.03.24
Typical Ce:YAG optical heads output power vs Optical fiber core diameter Typical Output Power (mW) Central Wavelength
(nm)Bandwidth FWHM
(nm)Core 100um
(0.22 NA)Core 200um
(0.53 NA)Core 400um
(0.53 NA)Core 960um
(0.63 NA)Full Spectrum ~110 8.0 85 230 390 Ce:YAG 525 30 2.0 20 50 106 559 34 2.5 28 70
124
582 75
4.5 50
125
210
593 40
2.4 28 67 110
612 69
2.5 32 80
130 LED 465 25 0.4
6.5
26 120
LD 450 <3 75 75 75 75 LD 473 <3 70 70 70 70
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Drawing Ce::YAG + LED Optical Head
Application NoteFrEn Laser Safety Information
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