TABLE 1.

Overview of the reported specifications for various RS-OCT system configurations

Multimodal integration strategy	Author	Excitation	Laser power at sample (RS)	Acquisition time (RS)	Spectral resolution (RS)	Spot size (RS)	Spatial resolution (OCT)
							Axial	Lateral
Shared RS–OCT sample arm, separate detection systems	Patil et al. [76]	RS: 785 nm, FP region TD-OCT: 1310 ± 30 nm	40 mW	–	7.7 cm−1	75 μm	21 μm	25 μm
	Evans et al. [75]	RS: 633 nm, FP region SD-OCT: 855 ± 37 nm	4 mW	5 s	~6 cm−1	15 mm	4.5 μm	18 μm
	Patil et al. [77]	RS: 785 nm, FP region TD-OCT: 1310 ± 30 nm	40 mW	30 s	–	44 μm	14 μm	25 μm
	Khan et al. [82]	RS: 785 nm, FP region TD-OCT: 1310 ± 21 nm	60 mW	10 s	8 cm−1	12 μm	20 μm	15 μm
	Maher et al. [83]	RS: 785 nm, FP region SD-OCT: 840 ± 22 nm	30 mW	–	3.3 cm−1	–	8 μm	40 μm
	Zakharov et al. [29]	RS: 785 nm, FP region SD-OCT: 840 ± 50 nm	–	30 s	0.05 nm	1 mm	3.5 μm	3.5 μm
	Wang et al. [78]	RS: 785 nm, FP/HW regions SS-OCT: 1325 ± 60 nm	10–15 mW	0.5 s	~9 cm−1	–	12 μm	12 μm
	Chen et al. [91]	RS: 785 nm, FP region SD-OCT: 850 ± 15 nm	100 mW	2 s	–	15 μm	–	–
	Mazurenka et al. [80]	RS: 532 nm pulsed, FP region SD-OCT: 1325 nm	2.38 mJ/cm2	100 s	–	Collimated beam	5.5 μm	13 μm
	Ren et al. [84]	RS: 532 nm, FP region SD-OCT: 830 ± 20 nm	10 mW	30–60 s	7 cm−1	3 μm	2.3 μm	7.35 μm
Shared RS-OCT sample arm and detection system	Patil, et al. [73]	RS: 785 nm, FP region SD-OCT: 855 ± 20 nm	100 mW	30–90 s	7 cm−1	15 μm	8 μm	18 μm
Separate RS-OCT sample arms, manual or automated coregistration	Klemes, et al. [79]	RS: 632.5 nm, FP region SD-OCT: 880 ± 32 nm	13 mW	20–50 s	–	–	4.3 μm	3.6 μm
	Placzek, et al. [86]	RS: 785 nm, FP region SS-OCT: 1304 ± 45 nm	70 mW	5 s	5 cm−1	100 μm	12 μm	28 μm

Abbreviations: FP, fingerprint; HW, high wavenumber; CT, optical coherence tomography; RS: Raman Spectroscopy; SD, spectral domain; SS, swept source; TD, time domain.