A diffractive compound objective integrated the Zernike phase shift in an apodized photon sieve (ZAPS) is presented for high-resolution X-ray phase-contrast microscopy. The focusing properties of the ZAPS can be easily adjusted by pupil apodization.
© 2011 OSA
G. Cheng, C. Hu, and M. Q. -. Meng, "X-ray Photon Sieves for Phase-contrast Microscopy," in Optics in the Life Sciences, OSA Technical Digest (CD) (Optical Society of America, 2011), paper NTuB7.