View Full Version : Optics

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  1. Beam Expanders WORK !
  2. "G2 LFL lens are back" 8mm focal, convert Aixiz 3 element to 1 element!
  3. A Dichro to combine 520 and 532nm?
  4. Where can I get beam spliters
  5. Info optics for a smaller beam at 5m
  6. FAP fiber combined 520nm diodes?
  7. Beam Expanders !
  8. KTP Crystal Size vs 1064nm Power Input.
  9. $ Low cost beam expanders
  10. A New Way To Clean Laser Lens !
  11. What to use for the 1000th time?.?
  12. Rotate prism 45, image does 90 - why?
  13. Best focal point.
  14. Laser Accessories - Diffraction Gratings (Where to buy them nowadays?)
  15. Filling laser optics with nitrogen gas
  16. Q-Switched YAG Question
  17. focusing lens for sls 3d printer
  18. Fiber coupled laser beam very wide
  19. Nubm44 focusing lens
  20. Beam reducer thing
  21. Bought Type I and Type II 1064nm to 532nm green SHG units
  22. correcting a NDG7475
  23. Looking for a way to project image/halogram
  24. AOBD Beam Deflector, need some advice....
  25. Lens combination for a DIY SLS 3D printer
  26. Rick Trent 2 element lense for 405/445
  27. basic optics question
  28. Dimensions on Sanwu 3X and Jetlaser 10X expanders?
  29. Short Length Large Diameter ND: YAG Crystal - What for?
  30. JetLasers 10X Expander for Arctic III 3.5W?
  31. Questions Regarding Optical Choppers for YAG Lasers....
  32. What Is It... thread for unidentified laser optic goodies
  33. Tech hood combine reflect optics
  34. Flat lenses from Edmund Optics.
  35. Advice for optics and powers
  36. Anyone care to guess what this lens setup was used for?
  37. Laser Expander
  38. Prisms and glass balls?
  39. Dust on the opposite side of the three elements glass lens
  40. Anyone have an idea what this gas laser optical board was used for?
  41. Maths behind optimal beam expansion
  42. Question for the optics savvy in regard to beam expansion to reduce divergence.
  43. Multiple cube beam combiner "it can be done"..... Has anyone seen this article?
  44. Help with testing
  45. MIT Demonstrations on Lasers and Optics. College level videos.
  46. Anyone have an idea what this is?
  47. G2 lens
  48. Lens surface accuracy question; 1/2, 1/4 or 1/10 wavelength?
  49. Fiber Beam expander
  50. G7 lens, What is it?
  51. JetLasers 10X RCB
  52. Diffraction Optical Element - from Reddit & Material Sample Shop
  53. Thick line laser
  54. Holo effect?
  55. G2 problem
  56. Ebay laser combiner?
  57. DTR projector optics
  58. Sanwu g2 vs g7
  59. Beam expander that works with Survival Laser S4X?
  60. Pass Green Reflect Red dichroic mirror as an infrared filter
  61. Dirty diode window
  62. Sanwu g2
  63. G2 does a trick.
  64. Tall stand
  65. First Contact Polymer Cleaner Question
  66. Sanwu G2 lenses
  67. How to collimate a DPSS-Laser (green)
  68. Laser Design Help
  69. The amazing gball
  70. AR coated lens
  71. I see dead "waves" :)
  72. Laser beam through a lens
  73. OPT Lasers Cylindric lenses - NUBM44 beam correction tests
  74. Broken tip on 301
  75. Decrease lasers power
  76. DOWN LASER OPTICS Please help
  77. Where to find optical lens for 445nm 3.2W laser?
  78. Host plus beam expanders?
  79. Beam splitter/combiner cubes for 14w of 450nm
  80. 5mm Round Cylinder Lenses
  81. Not all 3 element lens are the same focal length.
  82. 6X Cylindrical pair test from group buy.
  83. Newbie needs an intro to diffraction gratings
  84. Difference between polarized and non-polarized beam splitters
  85. Seeking links to good knife edging techniques material.
  86. Best NLO Crsytal for Doubling 980nm
  87. Atomi DIY beam expander
  88. Help,, I need module laser for DOE rings
  89. Jetlasers Beam Expander - Does anyone have a silver one?
  90. Fiber Optic Bundle Lenses, what can we use them for?
  91. Knife Edging for Dummies (me... please help)....
  92. Where can I get mounts like these?
  93. Any interest for Mirrors/Lenses for 532/1064nm?
  94. 10 bucks via PP to the individual who calculates this for me...
  95. Coherent 808nm/IR Fiber Array Package Beam Shot (Movie added to thread).
  96. The difference focal length makes with our highly divergent diodes.
  97. Beam Splitter for 12mm AixiZ Module
  98. Light Saber Illumination - Help Diverge
  99. Hitachi Rear Projection TV - No Pics Yet, soon
  100. how to focus a big spot ?
  101. Beam Expander Design Theory
  102. Cylindrical lens setup in combination with beam expander
  103. MrCrouse Mace of Doom Host with 500mm Telephoto Lens Converted to a Beam Expander
  104. Basic question for a n00b :/
  105. Why do I have wings?
  106. fiber coupling laser diodes directly.
  107. The Cyan Cannon Vll Build
  108. Stock M140 Lens good for Macro Shots
  109. Lens choice for first high power laser
  110. where is a good place to get beam spliters
  111. Lens removal tool?
  112. Beam diverging lens?
  113. Dichroic Mirror Source
  114. Lazy Mans Beam Expander for 445nm NUBM44 6+ watt laser diode.
  115. Beam correcting optics
  116. 6 watt Nubm44 focus help
  117. Knife edge followed by expander? Anyone try that here?
  118. More info on the S1 lens?
  119. Glue for mounting optics to metal?
  120. Less expensive alternative to Newport .5 inch adjustable mirror platform?
  121. Gold AR coating? Wavelength?
  122. Aha! Found how to best focus an IR beam to infinity, sharing the idea.
  123. Looking for DVD writer type lenses for cell phone microscopes
  124. Converging a beam to a small point?
  125. DL Laser Beam Expander New Generation
  126. Laser amplification
  127. A few questions about beam expanders
  128. Anyone ever use Anti-Reflex Coating Stripper?
  129. Tiny Aspheric Lens 1.45mm FL - What purpose would this lens have?
  130. Anyone have experience with the Inno Pocket Scan made by American DJ?
  131. Beam expander
  132. The cost of having a lens AR coated $$$
  133. Anamorphic Prism Pair, good for 635nm?
  134. N/A
  135. Fiber being sold on ebay for lasers - anyone ever try it?
  136. Just a lil idea low cost laser cutter
  137. Hard Drive Disks As Mirrors
  138. Cylindrical Plano-Convex vs Rod Lens for Laser Line Generation?
  139. How to know if is S or P polarization
  140. When a lens is limited to 500MW/CM2 what does that mean?
  141. Newbie looking for optics ideas
  142. What kind of Special mirror
  143. mirros suitable for lasers?
  144. camera lens as beam expander?
  145. Any ideas on what this might have been for?
  146. 3 element lens info!
  147. Straight wide beam
  148. G9 vs G2
  149. Laser diode chip aperture, lens aperture & wavelength relationships to divergence?
  150. Beam Expander DIY Cons
  151. optics to combine focus lasers for cutter/etcher
  152. New ultra thin diffractive lenses
  153. coversion crystals?
  154. AixiZ 'G' lens changes
  155. Bausch + Lomb 39676 Ruled Diffraction Grating
  156. laser rookie with a question
  157. Where to find the best purple or blue laser's with the kaleidoscope diffraction tips
  158. New G7 lens for 445nm / 462nm / 520nm
  159. lens questions
  160. Anyone here used a compander for R,G,B laser diodes combining all or even for one?
  161. Co2 laser galvo needs a protective window
  162. Universal C6 5x Beam Expander Build [Build and Beamshots][Tonz'o'Pics]
  163. Green lasers beam combining
  164. Liquid Sky from a LaserJet 4P Polygon Mirror
  165. Spinning glass diffuser
  166. Mini x3 beam expander for 7A75&7475 Handheld(Updated Videos for X5 beam expander)
  167. Need some help.
  168. Change diffraction angle?
  169. some clarification and questions regarding lens choices
  170. Front surface mirrors
  171. Diffraction grating lens position
  172. Beam double expander
  173. Re-terminating fibre optic cable.
  174. What is the best way to align beams with this knife edge?
  175. us seller of lens holder?
  176. Fluorescent lens?
  177. Lens off center?
  178. Proper method for focusing high power lasers?
  179. Highest power through a S1 or G2 lens?
  180. Cleaning a Lens
  181. anyone remember the liquid fan DG at novalasers ?
  182. Building a white laser
  183. Re-creating the BMW i8 Headlamps
  184. Diffraction Grating question
  185. Newbie ? about possible dirty G2 Lens
  186. 45 Deg Dichroic blocking blue, transmitting red & !520!
  187. Aftermarket IR Filter?
  188. Anyone ever heard of LLLT or phototherapy?
  189. Effect of IR laser printer optics on non-IR wavelengths?
  190. GRIN Lens
  191. YVO4 Crystal 5x2.9x9.6mm Yttrium Vanadate
  192. G-lenses?
  193. Cross Dichroic Prism Laser Project
  194. Conceptual design of anamorphic prisms on sinner focus ring. Pix!
  195. How to Specify Optical Coatings
  196. Replace Lens to keep beam tighter?
  197. Anyone grind lenses
  198. D i v e r g e n c e
  199. OK...I redid the graph...
  200. Can reflections kill a laser diode?
  201. PBS cube troubles. Pictures
  202. Use your spare lenses to make a microscope!
  203. Theoretical Optic Problems. Please help :)
  204. Beam Expander Question: Two or More Diverging Lenses Before Collimation?
  205. Green AR coated 3 element lens exist?
  206. Wierd polygonal Zerodur laser lens, what do you think its function was?
  207. Would this work? Idea for focusable FAC optics
  208. Any other lens options?
  209. Green AR
  210. Beam splitter /combiner
  211. Looking for information on how to build own lens assembly.
  212. Looking for CUSTOM MADE DIFFRACTION GRADING filters
  213. Unable to focus
  214. Even smaller spot size by using a mask?
  215. optimal lens
  216. Is there such thing as a universal Beam expander?
  217. diffraction gratings 2
  218. Noob screw up not azixa module what to do
  219. Laser Grid (Or Other Localization System)
  220. Adaptive Optics-EZ Add on for any Hand Held Unit-Proto Type Done
  221. Optical experts here? Question about biconvex
  222. Spot size at distance vs. negative focal length
  223. Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)
  224. Beam expander or not?
  225. Diffraction Gratings
  226. Broken focusing lens
  227. WL Phosforce on Zaser?
  228. Has anyone here made a laser line using a prism?
  229. Adaptive Optics-Easy add on to any Hand Held
  230. Line-lens
  231. Focusing laser pattern from DOE lens
  232. Help identifying lens.
  233. Dragon lasers new beam expanders NOW available
  234. lens nut with 12mm thread
  235. I need some lens springs
  236. Looking for reasonable priced 1/2 wave plate for dual diode build
  237. O-Like 405 G-2
  238. Lens AR questions / Green AR coating.
  239. Just ran across this sweet piece of optical glass...
  240. Noob question... hit me if you want :-p
  241. Laser optics producing images?
  242. My optical table and breadboard build..
  243. Cheap (free) beamsplitters and FS mirrors
  244. Help me clean my laser
  245. An interesting CD/DVD optics group
  246. Help clean a laser lens
  247. The fluctuating intensity at the exit end of the fiber!
  248. Large, quality, AR Lenses?
  249. Super cheap beam expander!
  250. AR window