Journal: Biomedical Optics Express

Article Title: Achromatic miniature lens system for coherent Raman scattering microscopy

doi: 10.1364/BOE.4.002196

Figure Lengend Snippet: ZEMAX predicted performance of the objective design. (a) Geometric spot size diagram for two radial distances from the optical axis (blue: 817 nm, red: 1064 nm wavelength). (b) Modulation transfer function (MTF) plot.

Article Snippet: The axial chromatic error between the wavelengths is estimated as a maximum chromatic focal shift in the range of 1.29 μ m, which is well below the diffraction-limited value of 3.22 μ m. This microscope objective is well corrected for the on-axis aberrations, the dominating form of aberration is off-axis non-symmetric coma wavefront distortion, which increases with distance from the principal axis. fig ft0 fig mode=article f1 fig/graphic|fig/alternatives/graphic mode="anchored" m1 Open in a separate window Fig. 2: caption a7 ZEMAX predicted performance of the objective design. (a) Geometric spot size diagram for two radial distances from the optical axis (blue: 817 nm, red: 1064 nm wavelength). (b) Modulation transfer function (MTF) plot. shows the modulation transfer function (MTF) plot, which represents the ability of the objective lens to transfer contrast of an ideal image to the actual image at a specific resolution.

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