View Full Version : Optics

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  1. Fiber being sold on ebay for lasers - anyone ever try it?
  2. Just a lil idea low cost laser cutter
  3. Hard Drive Disks As Mirrors
  4. Cylindrical Plano-Convex vs Rod Lens for Laser Line Generation?
  5. How to know if is S or P polarization
  6. When a lens is limited to 500MW/CM2 what does that mean?
  7. Newbie looking for optics ideas
  8. What kind of Special mirror
  9. mirros suitable for lasers?
  10. camera lens as beam expander?
  11. Any ideas on what this might have been for?
  12. 3 element lens info!
  13. Straight wide beam
  14. G9 vs G2
  15. Laser diode chip aperture, lens aperture & wavelength relationships to divergence?
  16. Beam Expander DIY Cons
  17. optics to combine focus lasers for cutter/etcher
  18. New ultra thin diffractive lenses
  19. coversion crystals?
  20. AixiZ 'G' lens changes
  21. Bausch + Lomb 39676 Ruled Diffraction Grating
  22. laser rookie with a question
  23. Where to find the best purple or blue laser's with the kaleidoscope diffraction tips
  24. New G7 lens for 445nm / 462nm / 520nm
  25. lens questions
  26. Anyone here used a compander for R,G,B laser diodes combining all or even for one?
  27. Co2 laser galvo needs a protective window
  28. Universal C6 5x Beam Expander Build [Build and Beamshots][Tonz'o'Pics]
  29. Green lasers beam combining
  30. Liquid Sky from a LaserJet 4P Polygon Mirror
  31. Spinning glass diffuser
  32. Mini x3 beam expander for 7A75&7475 Handheld(Updated Videos for X5 beam expander)
  33. Need some help.
  34. Change diffraction angle?
  35. some clarification and questions regarding lens choices
  36. Front surface mirrors
  37. Diffraction grating lens position
  38. Beam double expander
  39. Re-terminating fibre optic cable.
  40. What is the best way to align beams with this knife edge?
  41. us seller of lens holder?
  42. Fluorescent lens?
  43. Lens off center?
  44. Proper method for focusing high power lasers?
  45. Highest power through a S1 or G2 lens?
  46. Cleaning a Lens
  47. anyone remember the liquid fan DG at novalasers ?
  48. Building a white laser
  49. Re-creating the BMW i8 Headlamps
  50. Diffraction Grating question
  51. Newbie ? about possible dirty G2 Lens
  52. 45 Deg Dichroic blocking blue, transmitting red & !520!
  53. Aftermarket IR Filter?
  54. Anyone ever heard of LLLT or phototherapy?
  55. Effect of IR laser printer optics on non-IR wavelengths?
  56. GRIN Lens
  57. YVO4 Crystal 5x2.9x9.6mm Yttrium Vanadate
  58. G-lenses?
  59. Cross Dichroic Prism Laser Project
  60. Conceptual design of anamorphic prisms on sinner focus ring. Pix!
  61. How to Specify Optical Coatings
  62. Replace Lens to keep beam tighter?
  63. Anyone grind lenses
  64. D i v e r g e n c e
  65. OK...I redid the graph...
  66. Can reflections kill a laser diode?
  67. PBS cube troubles. Pictures
  68. Use your spare lenses to make a microscope!
  69. Theoretical Optic Problems. Please help :)
  70. Beam Expander Question: Two or More Diverging Lenses Before Collimation?
  71. Green AR coated 3 element lens exist?
  72. Wierd polygonal Zerodur laser lens, what do you think its function was?
  73. Would this work? Idea for focusable FAC optics
  74. Any other lens options?
  75. Green AR
  76. Beam splitter /combiner
  77. Looking for information on how to build own lens assembly.
  79. Unable to focus
  80. Even smaller spot size by using a mask?
  81. optimal lens
  82. Is there such thing as a universal Beam expander?
  83. diffraction gratings 2
  84. Noob screw up not azixa module what to do
  85. Laser Grid (Or Other Localization System)
  86. Adaptive Optics-EZ Add on for any Hand Held Unit-Proto Type Done
  87. Optical experts here? Question about biconvex
  88. Spot size at distance vs. negative focal length
  89. Lenses & First Surface Mirrors from DLP & CRT big screen TVs (pic heavy)
  90. Beam expander or not?
  91. Diffraction Gratings
  92. Broken focusing lens
  93. WL Phosforce on Zaser?
  94. Has anyone here made a laser line using a prism?
  95. Adaptive Optics-Easy add on to any Hand Held
  96. Line-lens
  97. Focusing laser pattern from DOE lens
  98. Help identifying lens.
  99. Dragon lasers new beam expanders NOW available
  100. lens nut with 12mm thread
  101. I need some lens springs
  102. Looking for reasonable priced 1/2 wave plate for dual diode build
  103. O-Like 405 G-2
  104. Lens AR questions / Green AR coating.
  105. Just ran across this sweet piece of optical glass...
  106. Noob question... hit me if you want :-p
  107. Laser optics producing images?
  108. My optical table and breadboard build..
  109. Cheap (free) beamsplitters and FS mirrors
  110. Help me clean my laser
  111. An interesting CD/DVD optics group
  112. Help clean a laser lens
  113. The fluctuating intensity at the exit end of the fiber!
  114. Large, quality, AR Lenses?
  115. Super cheap beam expander!
  116. AR window
  117. Would this work for a Beam Combiner
  118. Remove coating from lens.
  119. Diverse lens types
  120. This Is What a Laser From the Moon Looks Like (Photo)
  121. What is a G2 glass lens mae of ?
  122. zero aperature....airy disk?
  123. Hoping for tight focus
  124. jet lasers beam expander
  125. Mitsubishi ML520G71 635nm focussing issue
  126. SS Beam Splitter question
  127. 405nm Laser with <100Ám Focus
  128. 3 element lens on 2.5w 445nm
  129. 980nm fine focus lens
  130. Correct spherical aberration from DVD-RW lens
  131. Glass Diffraction Grating
  132. The brighter Showwx+ pico laser projector project
  133. G9 Lens Extraction! Will it work? or Fail?
  134. Nearly finished my first build, couple of questions about focussing
  135. Laser Line Generators
  136. Where To Buy The G9?
  137. adjustable mirror and cube base?
  138. 10ish way beam splitter
  139. 'which three element lense for blue
  140. Expanders vs Collimators
  141. IR Laser pointer spot is not dot
  142. Found a Cube Inside Sony AD-7203S!
  143. Absolutely new to the world of lasers
  144. "flashlight" laser lens??
  145. Help focusing my 50mw laser pointer into a burning laser
  146. Precision Focussing
  147. Keeping beam tight?
  148. I have a doubt. The collimator is the same as the focus lens?
  149. Laser Optics collection, Mirrors, Lens, + more
  150. 50mm FL Lens?
  151. GBFeeler? 405-G-2 $20 ea @ Laser66! 1 Week only sale, 445 9mm lens (G9) on dhgate?
  152. CNI Beam expander?
  153. 50W diode laser bar focusing.
  154. What happens if a lens isn't centered perfectly?
  155. looking for beam expander for 3.5W 445
  156. Lens size
  157. How does Bosch do that? Line laser - no rotation?
  158. High Beam Divergence
  159. Optics cubes?
  160. Effect of Plano-Concave lens in standard focusable dot laser
  161. G2/G9 Lens Not Giving More Output - Am I doing It Wrong?
  162. PBS Cube Maximum Power
  163. Am I being ripped off?
  164. What Expansion Ratio?
  165. Need a protective glass for diode that does not decrease intensity.
  166. Focusing lens
  167. How to make a liquid sky effect
  168. Flat visible beam from a laser pointer
  169. 405nm beam focus to tiny dot?
  170. need reasonable aperture safety for burning man project
  171. Looking for Mirrors or Light bending glass
  172. Laserlands Lens
  173. Line Generator and Collimation
  174. Beam Splash from Internal Lens Reflections Correction Idea?
  175. Smallest Spot Diameter: Focusing High Wattage IR Laser Diodes
  176. not a dumb question
  177. Yee olde exposed film IR PASS FILTER
  178. Jetlasers B.E. adapter modifications for the PL-E series
  179. Lenses for IR
  180. infared filter fell off
  181. Interesting grating from an LCD screen
  182. removing the lens...
  183. wondering about lenses and 800-850nm...
  184. Anamorphics and waveplate help?
  185. Where to purchase standard focusing rings?
  186. meant by "focusing" in advertisements...
  187. Any cheap caps to increase attenuation factor of 445nm?
  188. What can you do will optics form a DVD burner?
  189. The eyes are getting old...
  190. where to buy a g2 lens for 445 nm.
  191. LFL - long focal length G2 Lens?
  192. Infrared Filter
  193. $16 Beam-splitters
  194. How to clean a G1 Lens
  195. DIY Attaching Diffraction Grating to Lens Nut
  196. Beam expander for dominator.
  197. Quick simple high transmission lens with an old PHR sled / Tutorial video included
  198. Lens Housing Attachment for Chinese Laser Modules
  199. Beam Profile with G-2 for 405nm Request
  200. Where can one find some cheap combing optics
  201. PBS for 660 & 405 nm
  202. Is getting a G2 lens worth it?
  203. A Theory on Automatic Focus for Lasers
  204. G1/G2 Lenses
  205. Laser suggestion for 360░ laser with cone mirror
  206. co2 ray gun
  207. Recommendations for beam correction.
  208. Glasses Comparison
  209. what is the purpose
  210. 20,000 foot range on 5mW green pointer?
  211. JD-851 Laser Pointer lens broke!? Need help finding a new one pls!
  212. Reducing beam size?
  213. Cheapest red or blue laser pointer that mounts diffraction gratings
  214. dvd burner laser and lenses question.
  215. laser for 3d printer
  216. Better lens?
  217. What lens is this?
  218. Newbie question , lens in dvd module
  219. need some help shopping ;) about focusing down a laser diode
  220. Looking for High Power 808nm Cross or Line Lens
  221. Good web site for learning the basics?
  222. Where to buy: Optics kit, prisms, diffraction gratings..
  223. What is are these spots ??
  224. Looking for a special lense or head for my laser..
  225. How to determine the type of AR coating on a lens?
  226. reducing "bat wing/halo" effect
  227. Lens Problems
  228. Lens too good to be true?
  229. Reflecting Laser
  230. Need help with terminology...
  231. Collimating the collimated
  232. Lenses for 445nm or 473nm
  233. Wicked Laser lenses
  234. Question about Lens Outputs
  235. Dragon Laser Beam Expander
  236. How much energy is transfered?
  237. 638 correction with only 2 lenses?
  238. Five Buck Fiber Optics
  239. Lens recommendation required please
  240. Need information about lens
  241. beam expander
  242. Need help: want to diffract
  243. Focussing many diodes
  244. Unique Optics Design Combines Modulated RGB LDs
  245. Neutral density filter not for high power, but what's the limit?
  246. frazier lens
  247. power reduction with diffraction grating?
  248. Found some interesting 445 lens.. ;)
  249. 5x vs 10x BE's and relative beam brightness
  250. Basic Beam Expander