View Full Version : Optics

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  1. Laser Expander
  2. Prisms and glass balls?
  3. Dust on the opposite side of the three elements glass lens
  4. Anyone have an idea what this gas laser optical board was used for?
  5. Maths behind optimal beam expansion
  6. Question for the optics savvy in regard to beam expansion to reduce divergence.
  7. Multiple cube beam combiner "it can be done"..... Has anyone seen this article?
  8. Help with testing
  9. MIT Demonstrations on Lasers and Optics. College level videos.
  10. Anyone have an idea what this is?
  11. G2 lens
  12. Lens surface accuracy question; 1/2, 1/4 or 1/10 wavelength?
  13. Fiber Beam expander
  14. G7 lens, What is it?
  15. JetLasers 10X RCB
  16. Diffraction Optical Element - from Reddit & Material Sample Shop
  17. Thick line laser
  18. Holo effect?
  19. G2 problem
  20. Ebay laser combiner?
  21. DTR projector optics
  22. Sanwu g2 vs g7
  23. Beam expander that works with Survival Laser S4X?
  24. Pass Green Reflect Red dichroic mirror as an infrared filter
  25. Dirty diode window
  26. Sanwu g2
  27. G2 does a trick.
  28. Tall stand
  29. First Contact Polymer Cleaner Question
  30. Sanwu G2 lenses
  31. How to collimate a DPSS-Laser (green)
  32. Laser Design Help
  33. The amazing gball
  34. AR coated lens
  35. I see dead "waves" :)
  36. Laser beam through a lens
  37. OPT Lasers Cylindric lenses - NUBM44 beam correction tests
  38. Broken tip on 301
  39. Decrease lasers power
  40. DOWN LASER OPTICS Please help
  41. Where to find optical lens for 445nm 3.2W laser?
  42. Host plus beam expanders?
  43. Beam splitter/combiner cubes for 14w of 450nm
  44. 5mm Round Cylinder Lenses
  45. Not all 3 element lens are the same focal length.
  46. 6X Cylindrical pair test from group buy.
  47. Newbie needs an intro to diffraction gratings
  48. Difference between polarized and non-polarized beam splitters
  49. Seeking links to good knife edging techniques material.
  50. Best NLO Crsytal for Doubling 980nm
  51. Atomi DIY beam expander
  52. Help,, I need module laser for DOE rings
  53. Jetlasers Beam Expander - Does anyone have a silver one?
  54. Fiber Optic Bundle Lenses, what can we use them for?
  55. Knife Edging for Dummies (me... please help)....
  56. Where can I get mounts like these?
  57. Any interest for Mirrors/Lenses for 532/1064nm?
  58. 10 bucks via PP to the individual who calculates this for me...
  59. Coherent 808nm/IR Fiber Array Package Beam Shot (Movie added to thread).
  60. The difference focal length makes with our highly divergent diodes.
  61. Beam Splitter for 12mm AixiZ Module
  62. Light Saber Illumination - Help Diverge
  63. Hitachi Rear Projection TV - No Pics Yet, soon
  64. how to focus a big spot ?
  65. Beam Expander Design Theory
  66. Cylindrical lens setup in combination with beam expander
  67. MrCrouse Mace of Doom Host with 500mm Telephoto Lens Converted to a Beam Expander
  68. Basic question for a n00b :/
  69. Why do I have wings?
  70. fiber coupling laser diodes directly.
  71. The Cyan Cannon Vll Build
  72. Stock M140 Lens good for Macro Shots
  73. Lens choice for first high power laser
  74. where is a good place to get beam spliters
  75. Lens removal tool?
  76. Beam diverging lens?
  77. Dichroic Mirror Source
  78. Lazy Mans Beam Expander for 445nm NUBM44 6+ watt laser diode.
  79. Beam correcting optics
  80. 6 watt Nubm44 focus help
  81. Knife edge followed by expander? Anyone try that here?
  82. More info on the S1 lens?
  83. Glue for mounting optics to metal?
  84. Less expensive alternative to Newport .5 inch adjustable mirror platform?
  85. Gold AR coating? Wavelength?
  86. Aha! Found how to best focus an IR beam to infinity, sharing the idea.
  87. Looking for DVD writer type lenses for cell phone microscopes
  88. Converging a beam to a small point?
  89. DL Laser Beam Expander New Generation
  90. Laser amplification
  91. A few questions about beam expanders
  92. Anyone ever use Anti-Reflex Coating Stripper?
  93. Tiny Aspheric Lens 1.45mm FL - What purpose would this lens have?
  94. Anyone have experience with the Inno Pocket Scan made by American DJ?
  95. Beam expander
  96. The cost of having a lens AR coated $$$
  97. Anamorphic Prism Pair, good for 635nm?
  98. N/A
  99. Fiber being sold on ebay for lasers - anyone ever try it?
  100. Just a lil idea low cost laser cutter
  101. Hard Drive Disks As Mirrors
  102. Cylindrical Plano-Convex vs Rod Lens for Laser Line Generation?
  103. How to know if is S or P polarization
  104. When a lens is limited to 500MW/CM2 what does that mean?
  105. Newbie looking for optics ideas
  106. What kind of Special mirror
  107. mirros suitable for lasers?
  108. camera lens as beam expander?
  109. Any ideas on what this might have been for?
  110. 3 element lens info!
  111. Straight wide beam
  112. G9 vs G2
  113. Laser diode chip aperture, lens aperture & wavelength relationships to divergence?
  114. Beam Expander DIY Cons
  115. optics to combine focus lasers for cutter/etcher
  116. New ultra thin diffractive lenses
  117. coversion crystals?
  118. AixiZ 'G' lens changes
  119. Bausch + Lomb 39676 Ruled Diffraction Grating
  120. laser rookie with a question
  121. Where to find the best purple or blue laser's with the kaleidoscope diffraction tips
  122. New G7 lens for 445nm / 462nm / 520nm
  123. lens questions
  124. Anyone here used a compander for R,G,B laser diodes combining all or even for one?
  125. Co2 laser galvo needs a protective window
  126. Universal C6 5x Beam Expander Build [Build and Beamshots][Tonz'o'Pics]
  127. Green lasers beam combining
  128. Liquid Sky from a LaserJet 4P Polygon Mirror
  129. Spinning glass diffuser
  130. Mini x3 beam expander for 7A75&7475 Handheld(Updated Videos for X5 beam expander)
  131. Need some help.
  132. Change diffraction angle?
  133. some clarification and questions regarding lens choices
  134. Front surface mirrors
  135. Diffraction grating lens position
  136. Beam double expander
  137. Re-terminating fibre optic cable.
  138. What is the best way to align beams with this knife edge?
  139. us seller of lens holder?
  140. Fluorescent lens?
  141. Lens off center?
  142. Proper method for focusing high power lasers?
  143. Highest power through a S1 or G2 lens?
  144. Cleaning a Lens
  145. anyone remember the liquid fan DG at novalasers ?
  146. Building a white laser
  147. Re-creating the BMW i8 Headlamps
  148. Diffraction Grating question
  149. Newbie ? about possible dirty G2 Lens
  150. 45 Deg Dichroic blocking blue, transmitting red & !520!
  151. Aftermarket IR Filter?
  152. Anyone ever heard of LLLT or phototherapy?
  153. Effect of IR laser printer optics on non-IR wavelengths?
  154. GRIN Lens
  155. YVO4 Crystal 5x2.9x9.6mm Yttrium Vanadate
  156. G-lenses?
  157. Cross Dichroic Prism Laser Project
  158. Conceptual design of anamorphic prisms on sinner focus ring. Pix!
  159. How to Specify Optical Coatings
  160. Replace Lens to keep beam tighter?
  161. Anyone grind lenses
  162. D i v e r g e n c e
  163. OK...I redid the graph...
  164. Can reflections kill a laser diode?
  165. PBS cube troubles. Pictures
  166. Use your spare lenses to make a microscope!
  167. Theoretical Optic Problems. Please help :)
  168. Beam Expander Question: Two or More Diverging Lenses Before Collimation?
  169. Green AR coated 3 element lens exist?
  170. Wierd polygonal Zerodur laser lens, what do you think its function was?
  171. Would this work? Idea for focusable FAC optics
  172. Any other lens options?
  173. Green AR
  174. Beam splitter /combiner
  175. Looking for information on how to build own lens assembly.
  176. Looking for CUSTOM MADE DIFFRACTION GRADING filters
  177. Unable to focus
  178. Even smaller spot size by using a mask?
  179. optimal lens
  180. Is there such thing as a universal Beam expander?
  181. diffraction gratings 2
  182. Noob screw up not azixa module what to do
  183. Laser Grid (Or Other Localization System)
  184. Adaptive Optics-EZ Add on for any Hand Held Unit-Proto Type Done
  185. Optical experts here? Question about biconvex
  186. Spot size at distance vs. negative focal length
  187. Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)
  188. Beam expander or not?
  189. Diffraction Gratings
  190. Broken focusing lens
  191. WL Phosforce on Zaser?
  192. Has anyone here made a laser line using a prism?
  193. Adaptive Optics-Easy add on to any Hand Held
  194. Line-lens
  195. Focusing laser pattern from DOE lens
  196. Help identifying lens.
  197. Dragon lasers new beam expanders NOW available
  198. lens nut with 12mm thread
  199. I need some lens springs
  200. Looking for reasonable priced 1/2 wave plate for dual diode build
  201. O-Like 405 G-2
  202. Lens AR questions / Green AR coating.
  203. Just ran across this sweet piece of optical glass...
  204. Noob question... hit me if you want :-p
  205. Laser optics producing images?
  206. My optical table and breadboard build..
  207. Cheap (free) beamsplitters and FS mirrors
  208. Help me clean my laser
  209. An interesting CD/DVD optics group
  210. Help clean a laser lens
  211. The fluctuating intensity at the exit end of the fiber!
  212. Large, quality, AR Lenses?
  213. Super cheap beam expander!
  214. AR window
  215. Would this work for a Beam Combiner
  216. Remove coating from lens.
  217. Diverse lens types
  218. This Is What a Laser From the Moon Looks Like (Photo)
  219. What is a G2 glass lens mae of ?
  220. zero aperature....airy disk?
  221. Hoping for tight focus
  222. jet lasers beam expander
  223. Mitsubishi ML520G71 635nm focussing issue
  224. SS Beam Splitter question
  225. 405nm Laser with <100Ám Focus
  226. 3 element lens on 2.5w 445nm
  227. 980nm fine focus lens
  228. Correct spherical aberration from DVD-RW lens
  229. Glass Diffraction Grating
  230. The brighter Showwx+ pico laser projector project
  231. G9 Lens Extraction! Will it work? or Fail?
  232. Nearly finished my first build, couple of questions about focussing
  233. Laser Line Generators
  234. Where To Buy The G9?
  235. adjustable mirror and cube base?
  236. 10ish way beam splitter
  237. 'which three element lense for blue
  238. Expanders vs Collimators
  239. IR Laser pointer spot is not dot
  240. Found a Cube Inside Sony AD-7203S!
  241. Absolutely new to the world of lasers
  242. "flashlight" laser lens??
  243. Help focusing my 50mw laser pointer into a burning laser
  244. Precision Focussing
  245. Keeping beam tight?
  246. I have a doubt. The collimator is the same as the focus lens?
  247. Laser Optics collection, Mirrors, Lens, + more
  248. 50mm FL Lens?
  249. GBFeeler? 405-G-2 $20 ea @ Laser66! 1 Week only sale, 445 9mm lens (G9) on dhgate?
  250. CNI Beam expander?