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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: IEEE J Sel Top Quantum Electron. 2014 March-April;20(2):6800907. doi: 10.1109/JSTQE.2013.2280501

Fig. 1.

Fig. 1

Schematic of integrated optical coherence and multiphoton microscope. (a) Dual-spectrum optical source. (b) Sample arm. The red beam lines represent light coming from the laser source as well as light backscattered from the sample, while the green beam lines represent the two photon-excited fluorescence. (c) Zoomed-in region showing the focused sample arm beam with the electromagnet coil, and the field lines generated at the culture of cells containing magnetic microbeads. Abbreviations: BS—beam splitter; DG—diffraction grating; PBS—polarizing beam splitter; SM—galvanometer scanning mirror).