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Schematic of the VCSEL SS-OCM System. Data was acquired using a dual-balanced detector with 200 MHz bandwidth. DAQ: Data acquisition card. DAQ-C: External clock channel. DAQ-I: Acquisition channel. DMG: Dispersion matching glass. IA: Iris attenuator. DBT: Dual balanced detector. PS: Pulse shaper. I: Isolator, PC: Polarization controller. Focal lengths of collimating, scan and tube lenses are fs = 11 mm, fs = 37.5 mm and ft = 85 mm, respectively.
