lymex
发表于 2006-8-22 07:48
强啊，能否测量发散？或者指标发散角是多少？
坚哥仔
发表于 2006-8-22 08:19
<div class="quote"><b>以下是引用<i>lymex</i>在2006-8-21 23:48:07的发言：</b><br/>强啊，能否测量发散？或者指标发散角是多少？</div><p></p><p><u><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-bidi-font-family: \'Times New Roman\'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold;">光斑直径〈</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;">2.0mm, </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-bidi-font-family: \'Times New Roman\'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold;">光斑发散角〈</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;">1.5mrad,</span></u></p><p><u><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;">右手边那个估计>3mm 光斑，发散角也不小。</span></u></p><p><u><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;"></span></u> </p><p><u><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;">还望请教如何用简单的方法测量发散角和光斑。我只会买来然后卖出，这方面的研究就真的惭愧。</span></u></p><p><u><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: \'Times New Roman\'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-fareast-font-family: 宋体;">通常我只是目测和感觉。</span></u></p>
xangel
发表于 2006-8-22 14:57
<div class="quote"><b>以下是引用<i>手电有毒</i>在2006-8-21 22:26:57的发言：</b><br/><p>呵呵~~！若果改成手持的，的确是居家旅行搞破坏，杀人放火的必备良品，35000元能搞定我倒想请人改个来玩玩，跑江湖带上它比带刀刀叉叉强多了！</p><p></p><p>哈哈~~！冰冻小章鱼你想用激光来解冻啊？两秒就会变成烧烤小章鱼！</p><br/></div><p>搞破坏还是直接用里面的808更有效，价格也会低很多，估计里面的808是5W的，</p>
lymex
发表于 2006-8-22 18:45
<p>测量发散角可以找个助手，拿块黑布（或深颜色的布）和直尺，到20m或者更远的地方，带墨镜测量光斑大小。</p><p>假设30m处测量到40mm的光斑直径，发散就是40/30 = 1.33 mRad</p>
Executor
发表于 2006-8-22 22:01
<p>1.测测它能在几米外点着鞭炮的导火线。</p><p>2.听说有些激光能电离空气使之发出劈啪声，不知道这支聚焦后行么？</p><p>3.前面再加块别的什么晶体看看能不能泵出其它波长的激光。</p>
xangel
发表于 2006-8-22 22:54
1W的应该不能电离空气吧，估计兆瓦级的才行
etyizu
发表于 2006-9-29 04:19
NdYAG
发表于 2007-1-16 13:22
坚哥，长春出2W的绿光了，什么时候弄个给大家开开眼
djbabyface
发表于 2007-3-14 23:06
LZ你的这个表演系统是声控的还是用PC程控的！是环宇出的吗？我是搞舞台灯光音响的比较感兴趣！
LEDLASER
发表于 2007-4-8 21:48
<div class="quote"><b>以下是引用<i>xangel</i>在2006-08-22 22:54:02的发言：</b><br />1W的应该不能电离空气吧，估计兆瓦级的才行</div>还得是紫外的