Search MPES Definitions
name: NXbeam category: base doc: "Draft extension of NXbeam to include fields to describe ultra-short pulsed sources and details relevant for photoemission." symbols: doc: The symbols used in the schema to specify e.g. dimensions of arrays nx: Number of pixels of the chirp spectrum (NXobject): distance(NX_FLOAT): unit: NX_LENGTH doc: "Distance from the sample" pulse_energy(NX_FLOAT): unit: NX_ENERGY doc: "Energy of a single pulse at the sample" average_power(NX_FLOAT): unit: NX_POWER doc: "Average power at the sample" incident_energy(NX_FLOAT): unit: NX_ENERGY doc: "The center photon energy at sample" incident_energy_spread(NX_NUMBER): unit: NX_ENERGY doc: "FWHM energy linewidth of the incident photons." incident_wavelength(NX_FLOAT): unit: NX_WAVELENGTH doc: "The center wavelength energy at sample" incident_wavelength_spread(NX_NUMBER): unit: NX_WAVELENGTH doc: "FWHM wavelength linewidth of the incident photons." incident_polarization(NX_FLOAT): unit: NX_ANGLE doc: "Incident polarization as a Stokes vector" dimensions: dim: [[1,4]] rank: 1 extent(NX_FLOAT): unit: NX_LENGTH doc: "beam size vector" dimensions: dim: [[1,2]] rank: 1 fluence(NX_FLOAT): unit: NX_ANY doc: "Incident fluence at the sample" pulse_duration(NX_FLOAT): unit: NX_TIME doc: "Duration of the pulses at the sample" chirp_spectrum(NXdata): doc: "Spectrum of pulse frequency vs time." dimensions: dim: [[1,nx],[1,nx]] rank: 2 chirp_type(NX_CHAR): doc: "The type of chirp implemented" chirp_GDD(NX_FLOAT): unit: NX_TIME doc: "Group delay dispersion of the pulse for linear chirp" flux(NX_FLOAT): unit: NX_FLUX doc: "flux incident on beam plane area"