def s_to_angstroms(offset_us, source_to_detector_m, array):
return <NUM_LIT> * (array + offset_us * <NUM_LIT>) / source_to_detector_m<EOL>
convert s to angstroms arrays

    Parameters:
    ===========
    array: array in s
    offset_us: float. Delay of detector in mocros
    source_to_detector_m: float. Distance source to detector in m

    Returns:
    ========
    array in angstroms