{ "FILE_FORMAT": 1, "FILE_HEADER_LINES": 4, "X1_FACTOR": 0.001, "Y1_FACTOR": 1e-06, "YEAR_FABRICATION": null, "SURFACE_SHAPE": "spherical", "FUNCTION": null, "LENGTH": 0.145, "WIDTH": 0.045, "THICK": 0.045, "LENGTH_OPTICAL": 0.118, "SUBSTRATE": "silicon", "COATING": null, "FACILITY": "ESRF", "INSTRUMENT": null, "POLISHING": null, "ENVIRONMENT": null, "SCAN_DATE": null, "PLOT_TITLE_X1": "x(mm)", "PLOT_TITLE_Y1": "Slope (urad)", "CALC_HEIGHT_RMS": null, "CALC_HEIGHT_RMS_FACTOR": null, "CALC_SLOPE_RMS": null, "CALC_SLOPE_RMS_FACTOR": null, "USER_EXAMPLE": "This is an example of user keyword" }