* Googles for OPCPA labs - hard to get ones with sufficient coverage. They are also very heavy and have very low transmission. VR headsets might be a path to go - is there a path to qualify them for laser safety?
* Googles for OPCPA labs - hard to get ones with sufficient coverage. They are also very heavy and have very low transmission. VR headsets might be a path to go - is there a path to qualify them for laser safety?
* We started a laser safety protocol for FLASH seeding - can present what issues we had.
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@@ -168,14 +169,16 @@ DESY
<timedatetime="2024-06-26">26 Jun 2024</time>
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<td>Laser Safety II</td>
<td>Eric, Tino, Giovanni</td>
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</td>
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</td>
<td>
***DESY's Challenge:** Tino presents a case with a high-power, tunable OPCPA system where parasitic frequency mixing creates a broadband visible light hazard, exceeding the protection of available laser goggles.
***SLAC's Approach:** SLAC scientists describe their strategies for managing similar scenarios:
***Enclosures:** Encapsulating hazardous systems in boxes accessible only with tools.
***Administrative Controls:** Utilizing class 1 and class 4 operational modes with distinct procedures and goggles for different hazard levels.
***Job-Specific Analyses (JSAs):** Detailed documentation outlining hazards, controls, and procedures for non-standard work, requiring approval from the site laser safety officer.
***VR Goggles:** Both facilities discuss the potential of VR goggles to provide full-spectrum protection and enhance user experience, acknowledging the need for certification and approval from their respective laser safety officers. SLAC is actively pursuing testing and approval of VR goggles.
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@@ -183,14 +186,18 @@ DESY
<timedatetime="2024-07-10">10 Jul 2024</time>
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<td>DESY's technical design for seeding laser beamline</td>
<td>Ingmar, Massimo?</td>
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</td>
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would like to present the technical design of the seeding laser beamline and get feedback on validity of design.
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Open questions:
* vacuum level
* how to measure wavefront distortions
* beam steering diagnostics
* diagnostic tables design
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@@ -444,16 +451,13 @@ SIP Project Update: Resonant Antenna THz Streaking - electron beam control and t
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Laser safety procedure and discussion - joint meeting for SLAC and DESY presenters
</td>
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* Compare levels of rigor applied to controlling laser hazards
* User friendliness of systems, time spent on paperwork...
* Strategies for dealing with the requirements
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</td>
<td>(joint) Patrick, Joe / Ingmar (?)</td>
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@@ -544,16 +548,10 @@ would we benefit from joint experiments?
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would like to present the technical design of the seeding laser beamline and get feedback on validity of design.