@article{Mehta2017, author = "Shalin B. Mehta and Colin J. R. Sheppard", title = "{Media 5: Sample-less calibration of the differential interference contrast microscope}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_5_Sample-less_calibration_of_the_differential_interference_contrast_microscope/4899440", doi = "10.1364/AO.49.002954.m005" }