1. Thomson
scattering viewing geometry
2. Details of edge Thomson scattering viewing geometry
3. Thomson scattering data in ELECTRONS tree:
Central temperature vs time - \thom_midpln:te_t
Central density vs time - \thom_midpln:ne_t
4. Data from new 8 channel core Thomson scattering (starting from 2002)
5. Data from old 6 channel core Thomson scattering
6. Data from edge Thomson scattering
7. H-mode pedestal parameters (from tanh fit of edge TS data)
a) New core Thomson scattering system - nodes
in \ELECTRONS::TOP.YAG_NEW, tag \YAG_NEW
| Node | Description | Units |
| calib:z_nom | 1D array of Z coordinates of scattering volumes along laser beam as
a function of spectrometer number.
Z=0 - geometrical midplane |
m |
| calib:theta | 1D array of scattering angles (deg) | deg |
| results.spect_X:ne_t | 1D array of ne vs time from a given spectrometer
X - spectrometer number from 1 to 8 |
m-3 |
| results.spect_X:ne_err | Density errors, same dimensions as above | m-3 |
| results.spect_X:te_t | 1D array of Te vs time
X - spectrometer number from 1 to 8 |
keV |
| results.spect_X:te_err | Temperature errors, same dimensions as above | keV |
| results.spect_X:r_mid_t | 1D array of midplane radius (m) vs time as mapped by EFIT
X - spectrometer number from 1 to 8 |
m |
| results.profiles:ne_rz | 2D array of ne(t,rmid).
0 dimension - time(s) 1 dimension - z (m) sorted in descending order |
m-3 |
| results.profiles:ne_err | Density errors, same dimensions as above | m-3 |
| results.profiles:te_rz | 2D array of Te(t,rmid).
0 dimension - time(s) 1 dimension - z (m) sorted in descending order |
keV |
| results.profiles:te_err | Temperature errors, same dimensions as above | keV |
| results.profiles:r_mid_t | 2D array of midplane radius as mapped by EFIT.
To look at ne profile at a given time t0 plot ne(t0,*) vs rmid(t0,*) |
m |
b) Old core Thomson scattering system - nodes
in \ELECTRONS::TOP.YAG.RESULTS
| Node | Description | Units |
| PARAM:N_SPECT | Number of working spectrometers | |
| PARAM:R | Major radius of laser beam | m |
| PARAM:NAMES_Z | 1D array of spectrometers names (letters B, D, ...) vs Z of scattering volumes | |
| DETAILS.CHORD_X:NE_T | 1D array of ne vs time from a given spectrometer
X - spectrometer letter (see above) |
|
| DETAILS.CHORD_X:NE_ERR | Density errors, same dimensions as above | m-3 |
| DETAILS.CHORD_X:TE_T | 1D array of Te vs time
X - spectrometer letter (see above) |
keV |
| DETAILS.CHORD_X:TE_ERR | Temperature errors, same dimensions as above | keV |
| DETAILS.CHORD_X:R_MID_T | 1D array of midplane radius (m) vs time as mapped by EFIT
X - spectrometer letter |
m |
| GLOBAL.PROFILE:NE_RZ_T | 2D array of ne(t,rmid).
0 dimension - time(s) 1 dimension - z (m) sorted in descending order |
m-3 |
| GLOBAL.PROFILE:NE_ERR_ZT | Density errors, same dimensions as above | m-3 |
| GLOBAL.PROFILE:TE_RZ_T | 2D array of Te(t,rmid).
0 dimension - time(s) 1 dimension - z (m) sorted in descending order |
keV |
| GLOBAL.PROFILE:TE_ERR_ZT | Temperature errors, same dimensions as above | keV |
| GLOBAL.PROFILE:R_MID_T | 2D array of midplane radius as mapped by EFIT.
To look at ne profile at a given time t0 plot ne(t0,*) vs rmid(t0,*) |
m |
b) Edge Thomson scattering system - tags in ELECTRONS
tree
| Tag | Description | Units |
| \TS_NE | 2D array of ne(t,rmid). | m-3 |
| \TS_NE_ERR | Density errors, same dimensions as above | m-3 |
| \TS_TE | 2D array of Te(t,rmid). | eV |
| \TS_TE_ERR | Temperature errors, same dimensions as above | eV |
| \TS_PE | 2D array of electron pressure Pe(t,rmid) | eV*m-3 |
| TS_PE_ERR | Pressure errors | eV*m-3 |
| \TS_RMID | 2D array of midplane radius as mapped by EFIT.
To look at ne profile at a given time t0 plot ne(t0,*) vs rmid(t0,*) |
m |
Replace X in the table below with NE, TE, or PE to look at density, temperature, or pressure pedestal parameters
Note: Pedestal parameters' time base is not the same as the TS data
time base - only the points with well converged tanh fit are included.
| Tag | Description |
| \X_95 | Value at Y95 flux surface vs time |
| \X_SEP | Value on the separatrix vs time |
| \X_B | Pedestal baseline vs time |
| \X_HEIGHT | Pedestal height vs time |
| \X_WIDTH | Pedestal width (mm) vs time |
| \X_POS_ABS | Pedestal position vs time (midpoint position on the midplane) (m) |
| \X_GRAD | Maximum pedestal gradient vs time |