Laser hazard management design experience from multibeamline workplace

Laser hazard management: design experience from multibeamline workplace Petr Procházka, Veronika Olšovcová Date: Page:

ELI Beamlines facility in Prague • 4 major high power laser systems (up to 10 PW). • 8 main workstations under development in 5 target areas. • Electron and ion acceleration, X-ray and plasma physics stations. • Independently operated and driven by all laser systems via beam transport. • Construction completed – technology to be installed – operation: end of 2017. • Areas with various combined hazards and laser safety challenges. Date: 09/21/2016 Page: 2

Facility Layout Date: 09/21/2016 Page: 3

Facility Layout Date: 09/21/2016 Page: 4

Laser Systems Laser System L 1 L 2 L 3 L 4 Astrella Peak power >5 TW 1 PW 10 PW TW Energy in pulse 100 m. J 15 J 30 J 1. 5 k. J 15 m. J Pulse duration <20 fs 15 fs 30 fs 150 fs <40 fs Rep rate 1 k. Hz 10 Hz, >10 Hz 1 per min 1 k. Hz Wavelength 850 nm 820 nm 1050 nm 700 -900 nm Produced In-house In House and Purchased (STFC) LLNL National Energetics, EKSPLA Coherent Date: 09/21/2016 Page: 5

What users get PXS 4π sr L 1 1 E 13 ph 300 fs 1 k. Hz ph HHG 1 E 10 10 fs 5 mrad 1 k. Hz SRS L 2 + pump, beams LUX 5 mrad L 3 L 4 1 E 6 ph 5 fs 10 Hz end-stations ― ― ― X-ray phase contrast imaging X-ray Diffraction X-ray absorption spectroscopy Coherent Diffractive Imaging Atomic, Molecular and Optical Science ― Soft X-ray Materials Science ― Pulsed Radiolysis, ― WW pump-probe (station development) ph ― Betatron 1 E 8 10 fs 20 mrad 10 Hz X-ray Phase contrast imaging ― X-ray fluorescence ― Absorption spectroscopy, WDM@10 Hz, P 3 Plasma Phy. Platform ELIMAIA Ion accel. Date: 09/21/2016 Hell electron. Page:

Hazard Analysis Identification: - Failure - Causes and consequences - Controls: Engineering vs. Administrative - Affected areas • Preliminary Hazard Analysis 1 • Hazards identified: - Ionizing radiation, - Laser radiation, - High voltage systems, - Flammable and toxic gases, - Oxygen depleting gases, - Vacuum, - Pneumatics, - Ozone, - Biohazards, - Nanomaterials, - Chemicals, - Electromagnetic pulse (EMP), - Magnetic field, - Cryogenics, - Robotics, - Radioactive materials. 1 CCPS. Guidelines for Hazard Evaluation Procedures, 3 rd Edition. 2008 Date: 09/21/2016 Page: 7

Experimental Hall 1 - Applications • X-Ray Stations: - Plasma X-Ray Source (PXS) - High Harmonics (HHG) • Other Stations: - Stimulated Raman Scattering Station (SRS) - Ellipsometer • User Stations: - MAC Chamber (biological, molecular applications) - T-REX (material, chemical applications) Date: 09/21/2016 Page: 8

Experimental Hall 1 - Applications Date: 09/21/2016 Page: 9

L 1 – E 1 Laser Distribution Date: 09/21/2016 Page: 10

Experimental Hall E 1 – Arrangement Astrella Laser – 6 m. J Date: 09/21/2016 Page: 11

Experimental Hall E 1 – Beam Distribution Date: 09/21/2016 Page: 12

Experimental Hall E 1 – Laser Hazard Areas 850 nm Entrance SRS – multiple-wavelengths Date: 09/21/2016 Page: 13

SRS Station • probing processes initiated by UV-Vis-NIR pulses or ionizing radiation, possibly combined with pulsed radiolysis • Laser Safety Challenge – full spectra without gap in optical range! Date: 09/21/2016 Page: 14

SRS Station – Laser Safety Controls • Full enclosure - Al plates with powder surfaces coating - easy dismounting and installation • Regime measures - definition of operational modes - assignment of proper eyewear - detailed procedures and instructions • Separation from other stations by laser curtains • Integrated Safety System Date: 09/21/2016 Page: 15

Experimental Hall 1 – Laser Safety Controls • Defining laser hazard zones - separation of stations with different wavelengths • Safety shutters - for L 1 and Astrealla lasers distribution (gate valves) - to separate particular stations • Integrated Safety System - establishment of appropriate safety modes • Development and implementation of effective laser safety procedures • Selection of proper eyewear • Continuous education of scientists • Implementation of effective user safety program Date: 09/21/2016 Page: 16

Experimental Hall 1 – Laser Safety Controls Date: 09/21/2016 Page: 17

Acknowledgement • Supported by the project ELI - Extreme Light Infrastructure – phase 2 (CZ. 02. 1. 01/0. 0/15_008/0000162 ) from European Regional Development Fund. • Cooperation and support: - ELI Beamlines EHS Team, Jakub Grosz (ELI Beamlines), Jiri Vyskocil (ELI Beamlines), ELI Beamlines Research and Engineering Teams, Ken Barat (Laser Safety Solutions) Date: 09/21/2016 Page: 18

Thank you for your attention! Date: Page:

Back up slides Date: Page:

Integrated Safety System – E 1 • Local vs. Remote control (ionizing radiation) • More complicated then for the rest of the experimental halls • Personnel can be present during the operation Date: 09/21/2016 Page: 21

Integrated Safety System – E 1 Modes Date: 09/21/2016 Page: 22

Integrated Safety System – E 1 Modes Date: 09/21/2016 Page: 23

Integrated Safety System – E 1 Modes Date: 09/21/2016 Page: 24

Safety Shutters Date: 09/21/2016 Page: 25

Laser Distribution Date: 09/21/2016 Page: 26