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The 6 ports Rotary Fluorescence Mini Cube (RFMC) supports Isosbestic & Functional GCaMP excitations, Red Fluorophore excitation, and recordings of respective fluorescences. The separation of functional and isosbestic GCaMP fluorescence signals is possible with modulated excitations lights using lock-in demodulation or sequential detection.

  • This RFMC has 3 built-in LED light sources set to low excitation power.
  • Two integrated detectors have an amplified photodiode circuit similar to that of the Doric Fluorescence Detector.
  • A LED Drivers and Fluorescence Detector Amplifiers connect to Rotary FMC via the Assisted Electrical Rotary Joint's stationary part.
  • The RFMC's are easily attached to or removed from a rotary joint. They can be ordered separately or added to an existing system.
Rotary Mini Cube
Wavelength range350 to 1100 nm
Optical fiber compatibility - Core diameter 200 or 400 µm
- NA 0.37 to 0.57
Spectral bandwidth- Excitation : 460-490 nm, 555-570 nm
- Emission: 500-550 nm, 580-680 nm
Optical filter attenuation> OD 5 outside band
Dimensions57 mm x 63 mm x 26 mm
Built-in Detectors
Detector Sensitivity- 0.38 A/W @ 550 nm
- 0.60 A/W @ 960 nm (peak)
Amplification3 levels : 1x, 10x, 100x
Transimpedance gain- 2.0 E09 V / A (1x)
- 2.0 E10 V / A (10x)
- 2.0 E11 V / A (100x)
Conversion gain
@ 550 nm
- 0.76 V / nW (1x)
- 7.60 V / nW (10x)
- 76.0 V / nW (100x)
Saturation level
@ 550 nm
- 7.2 nW (1x)
- 0.72 nW (10x)
- 72 pW (100x)
NEP< 12 fW/√Hz
Bandwidth- DC : 0 - 1000 Hz
- AC : 30 - 1000 Hz
Electrical interfaceBNC
Output Voltage0.0 to 5.5 V
Output impedance50 Ω
Sensor typeSilicon photodiode
Sensor Area1 x 1 mm
Input voltage12 V DC (power supply included)
Built-in LEDs
Max Current500 mA
Emitter size400 µm diameter - NA0.22
Max LED Power(lockin)
(fibre 200 µm)
400-410 nm = 60 µW
460-490 nm = 90 µW
555-570 nm = 30 µW
Max LED Power (lockin)
(fibre 400 µm)
400-410 nm = 220 µW
460-490 nm = 375 µW
555-570 nm = 120 µW
Drawing

RFMC cube

Getting StartedFREN

Rotary Fluorescence Mini Cube System Two cubes configuration



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