Linac Coherent Light Source
Posted by Jerry Hastings on Saturday, February 07, 2009
I'm just flying back from the European XFEL Users Meeting that was held Jan. 27-28 in Hamburg Germany.
Posted by Brad Plummer on Saturday, December 13, 2008
4:40 pm Ok so I was wrong... the tweaking continued immediately after parking the beam at the tune up dump, and took less than an hour.
Posted by Brad Plummer on Saturday, December 13, 2008
4:10 After nearly eight hours of waiting and speculation, the sweeps and checkouts and repair signed-off, the beam has made it through the first sections of the LCLS and is "parked" at the tune up dump-undulator (TD-UND).
Posted by Brad Plummer on Saturday, December 13, 2008
2:50 pm Four and a half hours and many donuts later we are still waiting for the chance at a second shot.
Posted by Brad Plummer on Saturday, December 13, 2008
10:18 am The first shot came with a mouse click. One blip later the main control center was thrown into mild confusion -- the beam was intercepted and stopped by a safety system that should have been disabled.
Posted by Brad Plummer on Saturday, December 13, 2008
The mood's a bit hushed but electric this morning in SLAC's main control center as operators and physicists prepare for the first electron beam shot into the LCLS.
Posted by Philippe Hering on Monday, November 17, 2008
A laser-electron-heater system has been recently installed alongside the LCLS injector system. It is like a small "inverse" free electron laser, or more precisely it is made to generate an uncorrelated energy spread in the electron beam.
Posted by David Fritz on Monday, November 17, 2008
"If you build it, he will come." This was the famous quote broadcast into Ray Kinsella's head (Kevin Costner) in the movie Field of Dreams. The voice urged Ray to butcher up a section of his farm in Iowa to build a baseball field.
Posted by Jerry Hastings on Monday, November 03, 2008
I’m off to the European Synchrotron Radiation Facility for several reviews including their upgrade plans. The plane affords time to read and when I opened my computer I saw a previous blog that reminded me I’m overdue.
Posted by Brad Plummer on Saturday, October 18, 2008
Last day of the LCLS/SSRL users' conference, with a series of joint workshops on using soft X-rays. This was the best attended set of workshops, I believe. Especially for a Saturday.
Posted by Brad Plummer on Friday, October 17, 2008
Day 3 of the LCLS / SSRL users' conference was devoted to workshop sessions for both groups. Discussion centered on cutting edge instrumentation and experimental techniques. The LCLS, is at an early stage yet in the evolution of its scientific programs, and the majority of today's talks were conceptual, such as one workshop devoted to the theoretical challenges associated with what a high-power free electron laser will do to matter.
Posted by Brad Plummer on Thursday, October 16, 2008
Day two of the Users' Meeting kicked off with a round of presentations in a joint LCLS / SSRL plenary session focused on big picture concerns like the federal budget and the political landscape.
The news was good and the mood upbeat in Panofsky Auditorium today. LCLS leaders and scientists outlined the progress so far with regard to installation and commissioning of the machine, and talked about the early stages of the new user program.
Posted by Brad Plummer on Wednesday, October 15, 2008
This is the first morning of the 2008 SSRL/LCLS users' meeting, with an expected attendance of around 300. The tent went up yesterday and based on the conversations I had everyone behind the scenes was in scramble mode getting ready for the first sessions.
Posted by David Fritz on Monday, September 15, 2008
I'm happy to say that "review" season for the LCLS Ultrafast Science Instruments (LUSI)project is winding down. Over the past few months the LUSI project has gone through numerous external reviews.
Posted by Philippe Hering on Friday, September 12, 2008
We've got at SLAC many people that are in love with the "little queen," the nickname in France for the bicycle (la petite reine). And some push that love to the top of competition.
Posted by David Fritz on Thursday, August 28, 2008
I took a trip to Lexington Kentucky last month. While I was there I had a few conversations with the local residents. Inevitably the conversation turned to what I did for a living. I explained that I was a scientist working on the X-ray laser project at SLAC.
Posted by Brad Plummer on Friday, August 01, 2008
Talked to researcher Stephan Friedrich from Livermore the other day about a device his group’s developed to assist in the commissioning phase of the LCLS. Basically they’ve devised a sensor that will be placed directly in the X-ray beam to measure its full power.
Posted by Jerry Hastings on Monday, June 23, 2008
The LCLS is moving along. As part of a project that lasts more than five years it is often difficult to see progress and the goal cans seem just beyond the horizon. There are, however, events that bring your perspective in line with the real progress.
The requirements for the LCLS injector gun UV drive laser are in some part quite challenging. Along with a specific wavelength, repetition rate and energy, the laser beam needs a particular profile in both longitudinal (time domain) and transverse (space) modes.
Posted by David Fritz on Friday, April 25, 2008
Let me say this right off the bat to avoid any inkling of confusion: I really like my job. I enjoy coming to work everyday. It's probably a safe assumption to say the majority of people in the world can’t make that claim. However, as exciting as this project is to work on it's been difficult adjusting to the time scales of such a large project.
Posted by Jerry Hastings on Saturday, April 19, 2008
Knowing the atomic structure is fundamental to developing our understanding of the properties of materials, but if one could know how the atoms move by making molecular movies we would gain invaluable insights. To make a molecular movie we need a movie camera with the ability to see the atoms and to take the individual stills that will make up our movie on the time scale of the atomic motion.
Posted by Brad Plummer on Tuesday, April 15, 2008
Chatting the other day with one of the guys from the scientific instrumentation group about the science to come from the LCLS, I was struck by the idea that the experimental instruments are considered an altogether separate project from the LCLS.
Posted by David Fritz on Saturday, March 15, 2008
A few weeks ago I was invited to share my life as a scientist working on the LCLS project. I was surprised and honored that this opportunity was offered to me. I quickly accepted. However, I started to get a bit worried after a few days of pondering.
Posted by Philippe Hering on Wednesday, February 20, 2008
Leaving your country, your family, your friends to start a new job 9,000 km away from them (oh sorry, 5,600 miles) is not a straight decision to make. For me, I didn’t really need a long time to make up my mind!