Pith. sign in

REVIEW

First Results from an Event Synchronized -- High Repetition Thomson Scattering System at Wendelstein 7-X

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 1907.00492 v2 pith:CXATYKR7 submitted 2019-06-30 physics.plasm-ph

Hannes Damm , Ekkehard Pasch , Andreas Dinklage , Jürgen Baldzuhn , Sergey Bozhenkov , Kai Jakob Brunner , Florian Effenberg , Golo Fuchert
show 11 more authors
Joachim Geiger Jeffrey Harris Jens Knauer Petra Kornejew Thierry Kremeyer Maciej Krychowiak Jonathan Schilling Oliver Schmitz Evan Scott Victoria Winters the Wendelstein 7-X Team
This is my paper
classification physics.plasm-ph
keywords burstscatteringthomsoneventlasersmeasurementssystemwendelstein
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
read the original abstract

The Wendelstein 7-X (W7-X) Thomson scattering (TS) diagnostic was upgraded to transiently achieve kilohertz sampling rates combined with adjustable measuring times. The existing Nd:YAG lasers are employed to repetitively emit "bursts", i.e. multiple laser pulses in a short time interval. Appropriately timing burst in the three available lasers, up to twelve evenly spaced consecutive measurements per burst are possible. The pulse-to-pulse increment within a burst can be tuned from 2 ms to 33.3 ms (500 kHz - 30 Hz). Additionally, an event trigger system was developed to synchronize the burst Thomson scattering measurements to plasma events. Exemplary, a case of fast electron density and temperature evolution after cryogenic H2 pellet injection is presented in order to demonstrate the capabilities of the method.

Discussion (0). Sign in to comment.

Pith tools