<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>a tady je link na ten popis:</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><span><a href="http://elm-chan.org/works/vlp/report_e.html">http://elm-chan.org/works/vlp/report_e.html</a><br></span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">Radovan Augustin</div><div><br></div> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"> <div style="font-family: 'times new roman',
'new york', times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Radovan Augustin <rado_augustin@yahoo.com><br> <b><span style="font-weight: bold;">To:</span></b> HW-news <hw-list@list.hw.cz> <br> <b><span style="font-weight: bold;">Sent:</span></b> Friday, May 10, 2013 4:57 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: UV laser s kruhovou stopou<br> </font> </div> <div class="y_msg_container"><br>
<div id="yiv669622932"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div><span>Tady je popis kvalitniho laser projektoru s analogovym PID driverem a s </span><span style="font-size:12pt;">galvo servem s kapacitnim encoderem.</span><span style="font-size:12pt;"> Digitalni PID driver by to asi nezvladl.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">Jestli to ma na 60 metru presnost 1 cm, tak to je presnost vyhylovani zrcatek 0.00017 stupne</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">z fotek je videt ze to zvlada velmi presnou opakovatelnost.</div><div><br></div><div style="color: rgb(0, 0, 0);
font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">Je fakt ze s rotujicim zrcadlem se stabilnimi otackami zvladne spinani laseru taky <span style="background-color:transparent;">digitalni obvod a s dobrou presnosti casovani.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;">Radovan Augustin</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><br></div> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"> <div style="font-family: 'times new
roman', 'new york', times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Jaroslav Buchta <jaroslav.buchta@hascomp.cz><br> <b><span style="font-weight:bold;">To:</span></b> HW-news <hw-list@list.hw.cz> <br> <b><span style="font-weight:bold;">Sent:</span></b> Friday, May 10, 2013 4:32 PM<br> <b><span style="font-weight:bold;">Subject:</span></b> Re: UV laser s kruhovou stopou<br> </font> </div> <div class="yiv669622932y_msg_container"><br><div id="yiv669622932">
<div>
<div class="yiv669622932moz-cite-prefix">A jak chcete pomoci vychylopvani
elektromagnety presne zamerovat na setiny mm pri vzdalenosti hodne
cm???<br>
U te rotace je alespon nejaka zpetna vazba a je tedy znama presna
poloha zrcadla v case, u vychylovani si to nejak nedovedu
predstavit, jak to udelat s nejakou rychlosti a presnosti...<br>
Dne 10. 5. 2013 16:28, Zuffa Jan napsal(a):<br>
</div>
<blockquote type="cite">
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<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Co
bolo na tych zrkadlach tak drahe?</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">Ja
by som skusil obycajne zrkadla ( s vrstvou naparenou na
odrazovej strane)</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">a
vychylovanie elektromagnetmi v osi X a Y. Luc zaostreny na
najmensiu velkost a ciary</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">hrubsie
skladat z viacerych paralelnych. Toto by mohlo byt
jednoduchsie na
</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">casovanie
ako rotujuce zrkadlo z tlaciarne.</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;">j.</span></div>
<div class="yiv669622932MsoNormal"><span style="font-size:11.0pt;color:#1F497D;"> </span></div>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;">
<div class="yiv669622932MsoNormal"><b><span style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;">
<a rel="nofollow" class="yiv669622932moz-txt-link-abbreviated" ymailto="mailto:hw-list-bounces@list.hw.cz" target="_blank" href="mailto:hw-list-bounces@list.hw.cz">hw-list-bounces@list.hw.cz</a>
[<a rel="nofollow" class="yiv669622932moz-txt-link-freetext" ymailto="mailto:hw-list-bounces@list.hw.cz" target="_blank" href="mailto:hw-list-bounces@list.hw.cz">mailto:hw-list-bounces@list.hw.cz</a>]
<b>On Behalf Of </b>Radovan Augustin<br>
<b>Sent:</b> Friday, May 10, 2013 3:17 PM<br>
<b>To:</b> HW-news<br>
<b>Subject:</b> Re: UV laser s kruhovou stopou</span></div>
</div>
</div>
<div class="yiv669622932MsoNormal"> </div>
<div>
<div>
<div class="yiv669622932MsoNormal" style="background:white;"><span style="color:black;">Dobry den,</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">kdysi jsem
planoval neco podobneho, muj projekt se zastavil tady:</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=149</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">dve zrcatka
za 300 Eur jsou pro mne celkem nedostupna vec.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Moznost
pouzit hlavu s Blu-ray mechaniky skoncila na tom ze jsem
nevedel jak ridit focus.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Na strance
kde rozebiraji konstrukci Blu-ray hlavy je videt ze je
tam pouzity nejaky LCD display ktery podle zobrazeneho
vzoru meni charakteristiku UV paprsku.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Mozna by bylo
vhodne mit kameru citlivou na UV svetlo, s kamery
odstranit objektiv a ve tmave komore svitit laserem
pustenym na maly vykon primo na snimaci chip.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Tim by se
dala zobrazit stopa laseru.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Dalsi problem
muze byt odraz svetla laseru od medi na DPS. Pri
vypalovani DVD odraz laseru nevadi, protoze kryci vrstva
disku je prusvitna a nemeni vlastnosti.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Pri osvitu
DPS laserem je ucinek opacny, nemeni se zaklad Cu a
kryci vstva meni vlastnosti.</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;">Radovan
Augustin</span></div>
</div>
<div>
<div class="yiv669622932MsoNormal"><span style="color:black;"> </span></div>
</div>
<div>
<div>
<div>
<div class="yiv669622932MsoNormal" style="text-align:center;background:white;" align="center">
<span style="color:black;">
<hr size="1" width="100%" align="center">
</span></div>
<div class="yiv669622932MsoNormal" style="background:white;"><b><span style="font-size:10.0pt;color:black;">From:</span></b><span style="font-size:10.0pt;color:black;">
Petr Labaj <a rel="nofollow" class="yiv669622932moz-txt-link-rfc2396E" ymailto="mailto:labaj@volny.cz" target="_blank" href="mailto:labaj@volny.cz"><labaj@volny.cz></a><br>
<b>To:</b> HW-news <a rel="nofollow" class="yiv669622932moz-txt-link-rfc2396E" ymailto="mailto:hw-list@list.hw.cz" target="_blank" href="mailto:hw-list@list.hw.cz"><hw-list@list.hw.cz></a> <br>
<b>Sent:</b> Friday, May 10, 2013 12:19 PM<br>
<b>Subject:</b> Re: UV laser s kruhovou stopou</span><span style="color:black;"></span></div>
</div>
<div>
<div class="yiv669622932MsoNormal" style="margin-bottom:12.0pt;background:white;"><span style="color:black;"><br>
Dekuji za zajimave odkazy.<br>
Musim ted na chvili zmizet, odpoledne se do nich ale
s velkou<br>
chuti pustim. Bude prijemne o tom vedet neco vic,
nez jen to,<br>
ze to nejak sviti.<br>
<br>
PL<br>
<br>
********************************<br>
<br>
From: Radovan Augustin <br>
To: HW-news <br>
Sent: Friday, May 10, 2013 12:08 PM<br>
Subject: Re: UV laser s kruhovou stopou<br>
<br>
<br>
Dobry den,<br>
<br>
"Beam Circularization and Astigmatism-correction":<br>
http://www.coherent.com/downloads/LaserDiodeTechNote1.pdf<br>
<br>
"Dissection of a Blu-ray Reader Assembly":<br>
<br>
http://repairfaq.cis.upenn.edu/Misc/Blu-ray/site1/index.html<br>
<br>
Radovan Augustin<br>
<br>
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</div>
</div>
</div>
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