February 3, 200619 yr Thought i post this pic, so people could an idea, that not all scientists are some wierdoes. This is a pic of my research group from ITE taken today. My promoting proffesor is the 4th from right. Can anyone guess which one am i (a.k.a. where's Waldo)? http://www.if.pw.edu.pl/~kywalker/ResearchGroup.jpg
February 3, 200619 yr Author I HAVE shaved... once or twice... But, rest of the gang is pretty much normal, eh?
February 3, 200619 yr i dont know, that guy in the back right next to the guy in the white shirt has some pretty big ears. and dont even get me started about Helios on the far left
February 3, 200619 yr that guy in the back right next to the guy in the white shirt has some pretty big ears. I was tempted to say that that was him, just because it would make me laugh if I was right.
February 3, 200619 yr also, what is with the shoes that the guy in the white shirt are wearing. are those boots?
February 3, 200619 yr Author The one with big ears is our simulations specialist. One could call him a nerd - i have never heard him talking about anything but work. The one in white SWEATER (it's not a shirt) is indeed wearing boots. But that is understandable - wearing shoes is: a) uncomfortable, makes lab dirty. Rest doesn't care Oh yeah, he's my on-duty advisor - a guy, who tells me what to do and fixes things i break
February 3, 200619 yr Oh yeah, he's my on-duty advisor - a guy, who tells me what to do and fixes things i break so, are you saying you screw up a lot?
February 3, 200619 yr Author Crap happens... Fortunately i haven't done any major damage yet... yet... I must say i was lucky with breaking things. The possibility of such damage after my meddling were high though. It's all the part of gaining experience. Like i used to put my eyes in fromt of active laser beam. Now i don't - and i didn't have to lose my sight to learn that.
February 4, 200619 yr But, rest of the gang is pretty much normal, eh? Reply With Quote whos brain is it? abby someone. abby someone? yes, abby normal. *choking ensues!*
February 4, 200619 yr I thought you'd post the picture of that laser you're planning to use to break into Polish National Bank... And if you don't want to use it that way, please let me do it. IMO any scientific research should have a practical use. I think it's the best way to use that laser...
February 4, 200619 yr Author Even IF i'd post it, You wouldn't be able to see it. Not without a microscope. The whole lasing structure is... microns wide. One would only see cladding, connectors and heat sink. You could hide this laser Bond-style... trouble is the power supply. It's not a fancy sight anyway.
February 5, 200619 yr "Doh" !! I picked the one with the striped sweater. j/k. Seriously, what can you tell us about the research you're in or looking forward to ?
February 5, 200619 yr Author Seriously, what can you tell us about the research you're in or looking forward to ? Currently our team is in preparation to develop, create and characterize quantum cascade laser structures. That is theoretical pre-(and post-)analysis, sctructural growth, processing (which is done by neighbour division) and characterisation (I-V's, photoluminescence, photolumiescence excitation [that's my part], thermo- and electroreflectance). In the future there are plans of releasing this to industry (or starting our own industrial division or something like that [i don't know exactly, i'm not into that kind'a thing]).My part, the PLE, is vital, becouse it's a technique, which clearly shows intra-band optical transitions, which are key mechanism for QCL's. That is, should be showing that, becouse for now it does not (but i found some other experimantal regularity, which may be a promising substitute). Specifically, there should be clear peaks in the PLE spectra where the transitions occur. Instead of that i am getting differential linear changes, which probably indicates the same thing (that is it indicates shutting of the transition channels).
February 5, 200619 yr Author Comercially, yes, it's not available yet. People have been constructing QCL's for past... 10 years and still we are far away with technology available. The main problem is: we know how, we don't know exactly why. Not only the theory needs to catch up, but also we have to achieve very high level of regularity (i'm talking 75-120 times 20-30 atomic-layer-thin surfaces, all atomic-smooth). Fortunately, i'm only there for final phase... yet.
February 7, 200619 yr Author Traffic jams have blissfull influence on scientific discoveries. Finding myself bored in a bus today, i started figuring out, why did my experiment brought the results it did. I was expecting peaks, when i got spectra, which had sections of monotonic linearities. It hit me, that in the experiment i wasn't scanning bound electron states as in quantum well, but rather density of states that of bulk GaAs. Monotonic function was from the decreasing number of excitated states, while shifts in the derivative came from passing through critical points in GaAs band structure. When i get my hands on band structure layout, i can confirm this thought, but so far it is the best guess. So, unless i can get my hands/lasers on the actual QW structure, the question of correctitude of experiment remains open.
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