OCT-devices

1. Spectral-domain OCT (Thorlabs, USA),
with Doppler modality
- scanning range: 5 mm (X-Y axes)
- A-scan rate. 110 kHz
- resolution (in air): 5.8 um (axial), 8 um (lateral)
- sensitivity: 70 dB
- central wavelength: λ = 930 nm


Thorlabs spectral-domain OCT device

2. Time-domain OCT (Institute of Applied Physics, Russia)
- scanning range: 1.25 mm (Z-axis), 2.2 mm (X-Y axes)
- resolution (in air): 6 um (axial), 10 um (lateral)
Components
Superluminescent diode (Superlum, Russia)
- central wavelength: λ = 910 nm
- spectral width: Δλ = 49 nm
- average power: 0.6 mW


Commercial time-domain OCT device

3. Time-domain ultrahigh-resolution femtosecond OCT (home-made)
- spectrum: λ = 400-1700 nm
- average power: 20 mW
- scanning range: 300 um (Z-axis), 3 mm (X-Y axes)
- axial resolution (in air): < 1um
Components
- femtosecond laser TISSA-50 (CDP Corp., Russia)
- photonic crystal fiber FEMTOWHITE 800 (Crystal Fibre, Denmark)


Time-domain ultrahigh-resolution femtosecond OCT

 4. Home-made time-domain Doppler OCT
- scanning range: 15 mm (Z-axis)
- resolution (in air): 6 um (axial)
Components
Superluminescent diode (Superlum, Russia)
- central wavelength: λ = 840 nm
- spectral width: Δλ = 50 nm
- average power: 7 mW


Doppler OCT

 

Last updated: 9.9.2016