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. Author manuscript; available in PMC: 2021 May 26.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2013 Feb 22;8589:85890R. doi: 10.1117/12.2002469

Figure 1:

Figure 1:

Optical density plots for the AOTF (a) and TFTF (b) systems. The peaks represent center tuning wavelengths for a particular filter. The AOTF has lower light transmission at the center wavelengths (0.8 OD), and lower optical density for out-of-band wavelengths (2-2.75 OD) than the TFTF. The TFTF has an optical density of 0.03 OD at center wavelengths, and 2.5-3.0 OD for out-of-band wavelengths. Hence, the in-band-to-out-of-band optical density difference for the AOTF is 1.7-2.2 OD, while the TFTF is 2.5-3.0 OD.