National Spherical Torus Experiment Upgrade

Edge Impurity Emission Spectroscopy (EIES)

aka Filterscopes

 

(for NSTX EIES click here)

 

 

Sightline

Diagnostic port location

Available channels

Filter Central Wavelength / Bandpass (nm)

Tag in passivespec tree

Schematic

(click to enlarge)

Vertical Lower divertor

view

Bay D top, no shutter

Balmer-alpha

Balmer-gamma

He II

C II

O II

B II

Li I

656.1

433.9

468.6

515

441.5

494.0

670.8

\da_ld

\dg_ld

\he2_ld

\c2_ld

\o2_ld

\b2_ld

\li1_ld

 

Radial Midplane

view

Bay B midplane, shutter

Balmer-alpha

C II

C III

O II

B II

Li I

Li II

656.1

515

464.8

441.5

494.0

670.8

548.5

\da_mp

\c2_mp

\c3_mp

\o2_mp

\b2_mp

\li1_mp

\li2_mp

 

Vertical

Upper Divertor

view

Bay E bottom,

no shutter

Balmer-alpha

C II

O II

B II

Li I

656.1

515

441.5

494.0

670.8

\da_ud

\c2_ud

\o2_ud

\b2_ud

\li1_ud

 

Tangential Midplane view

Bay G midplane, shutter,

VB port

Balmer-alpha

He II

 

656.1

468.6

 

\da_mptg

\he2_mptg

 

Fast channels for Impurity Granule Injector

(5 channels)

Bay J Midplane

Balmer-alpha

Balmer-beta

C II

C III

B II

B III

Li I

Li I

Li I

Li II

656.1

486.0

515.0

465.0

494.0

499.0

670.8

610.0

460.3

548.5

\eies_fast1

\eies_fast2

\eies_fast3

\eies_fast4

\eies_fast5

 

Flexible channels

(Can be connected to various views)

Vary

Mo I

W I

Ne I

Ar I

C I

C III

C IV

 

\eies_flex1

\eies_flex2

\eies_flex3

\eies_flex4

 

Instruments SA monochromator

Vary

Tunable

350-750

\isa_mono

 

 

 

 

Sample dwscope and jScope files are on portal in /p/nstxusr/user/spectroscopy/nstxu/eies/

EIES web plotting tool: https://nstx.pppl.gov/nstx/Software/WebTools/plotfscopes.html

Questions:

Vlad Soukhanovskii, x2064, vlad "at" llnl.gov