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Line Laser Lens
Best way to make line with 5mw laser?
I’m trying to laser scan something and I need a very thin line or as small as possible. I have a 5mw laser diode I tried this acrylic rod off the blinds, and a wine glass stem but they were not very accurate. Any ideas of something I may have already here at home that I could use as a lens. If not ill go get another cheapo laser level.
MAYBE part of a standard thermometer, or a (glass) drink stirring rod. If I think of any others I'll add to this. Seems like there should be other things......hmmmmmmmmm.
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Aqua Teen Hunger Force, Vol. 5
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DescriptionFourteen episodes--including "Dirtfoot," "Boost Mobile," "Hand Banana," "Carl Wash," and the two-part "Star Studded Xmas Spectacular"--are featured in a two-disc set. 172 min. total. Standard; Soundtrack: English Dolby Digital stereo; deleted scenes; featurettes; promos; music video; more... |
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Epila Laser Hair Remover NEW MODEL 2008
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Description? Advantages of Laser Hair Removal |
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ContourROAM Hands-free HD Camcorder
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DescriptionThe ContourROAM is the ideal camera for a fun and easy experience capturing your adventures anywhere life takes you. Just slide the record switch and you're instantly filming beautiful HD video. The award-winning design is tough, compact, waterproof to one meter, and versatile which means you can use your ContourROAM anywhere, anytime and capture all the action you want... |
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0.42X FISHEYE LENS W/ MACRO FOR CANON EOS DIGITAL REBEL [Camera]
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DescriptionA Deluxe Extra Large full fisheye Wide Angle Lens with Macro. Perfect for Skateboarders or Truly Capturing an Expansive Setting.High Speed Auto Focus, Day or Night Lens. Made of Pure titanium makes the lens one of the most durable and compact on the market... |
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Bushnell Trophy TRS-25 1xRed Dot Sight Riflescope
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DescriptionThere's nothing like a red dot for fast target acquisition and accuracy in dim conditions, and no one makes red dots like Bushnell. The TRS-25 1x25 red dot riflescope boasts Bushnell's Zoom Dot feature, which gives you the ability to fine tune the size of your aiming point down to one MOA for precision shooting and all the way up to 10 MOA for close quarters... |
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DEWALT DW0714 Laser Enhancement Glasses
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DescriptionDeWALT DW0714 Laser Enhancement Glasses DEWALT is a leading manufacturer of industrial power tools with more than 300 power tool and equipment products as well as 800 power tool accessories. DEWALT tools can be found wherever tools are sold, nationally and internationally... |
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Streamlight 69220 TLR-3 Weapon Mounted Tactical Light with Rail Locating Keys
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DescriptionStreamlight's TLR-3 Compact Rail Mounted Tactical Light can brighten up any mission especially because it is two to three times brighter than high-flux LEDs. The tactical light's C4 LED delivers 4,100 candela peak beam intensity and 90 lumens... |
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Stabila 07470 Filter Laser Glasses, Red
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DescriptionThe Stabila 07470 is a pair of Laser Enhancement Glasses. The Stabila Red Filter Glasses will help increase the visibility of laser lines, particularly indoors in bright conditions. Features: Red Filter for increasing the visibility of laser lines Designed to be used indoors or in bright conditions What's In the Box: Stabila 07470 Laser Enhancement Glasses |
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Samsung SCX-4725FN Network Laser Multifunction Printer, Copier, Fax, Color Scanner
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DescriptionSCX-4725FN MLTFUNC LASERPR 24PPM 600X600 USB |
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Eiki LC-XL100L LCD 5000 ANSI Projector with 1000:1 Contrast - Does Not Include Lens
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DescriptionCombining large venue projection features with durable components and reduced maintenance, here's a projector that delivers big screen performance on a budget. The EIKI LC-XL100 comes complete with a wide-range power zoom and focus lens as standard equipment... |
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Polaroid HC3 HC3 LCD Projector 960X540 1300 Lumens 5.9LBS HDtv
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DescriptionWhether in your living room or conference room, make a lasting impression with Mitsubishi's HC3 ColorView Projector. The HC3 ColorView Projector from Mitsubishi Digital Electronics is a versatile performer for home theater enthusiasts as well as an ideal projector for mobile professionals using high-end notebook computers with advanced, widescreen display formats... |
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ContourHD 720p HD Helmet Camera
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DescriptionContourHD is the world's first High Definition wearable camcorder that combines amazing video clarity (choose between High Definition or High Action), a wide-angle lens (135 degrees), single-button simplicity, and a click to share online experience... |
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Contour Wearable Camcorder (Black)
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DescriptionWear it, Shoot it, Share it... Think the world doesn't need more video? Wrong, it needs YOUR video, and VholdR (vee-holder) is the go-anywhere do-anything wearable camcorder that SHOOTS your life in motion... |
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Contour HD 1080P Full HD Helmet Camera Accessories
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DescriptionThe Contour HD revolutionized the way people shoot and share video by creating the first wearable HD video camera. Its secret is the low profile design mated to the patented TRail system that makes it easy to slide and lock to your body, equipment, or vehicle... |
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Algorithm Development for On-Line Control of the Airborne Laser
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DescriptionThis is a AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING AND MANAGEMENT report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon... |
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Bushnell Tour V2 Slope Edition Rangefinder with Pinseeker
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DescriptionBUSHNELL GOLF TOUR V2 SLOPE EDITION W/ PINSEEKER |
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UTG DS3840 4-Inch ITA Red/Green Dot Sight with 2 QD Mounts and Flip-open Lens Caps
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DescriptionITA combat dot sight 1x magnification 32.5mm objective lens diameter 38mm tube Red or green illuminated dot (dot is black when not ill.) 4 MOA dot 1/2 MOA (1/2 click value @ 100 yds) Windage & elevation adjustments Unlimited parallax adjustment 100' field of view @ 100 yds Unlimited eye relief 26mm exit pupil 7... |
what laser lens to buy for ps3
The History of Laser Procedures
The LASIK-procedures were first adopted by a Spanish ophthalmologist Jose Barraquer in Colombia. In 1950 he invented the very first microkeratome in his clinic in Bogotá, which was intended to cut a thin flap in the cornea and in doing so, alter the shape of the cornea.Barraquer was also the first to study, how much and how should the cornea be altered to raise visual acuity to provide stable and long-term results.
His procedures were called keratomileusis.The technology was later enhanced by Svjatoslav Fjodorov in the 1970s in Russia, who invented the RK-method (radial keratotomy) to correct the eyes. During the RK-procedure a diamond knife is used to make 4-6 incisions 2 mm in depth, which extended from the colored to the area line of the white part of the eye, and right after the operation a person starts to see. This procedure had nothing to do with lasers.
What is PRK?
Laser was put to play in the 1980s when a German Theo Seiler worked out the PRK-method (photorefractive keratectomy; later LASEK-method). The first operation based on the PRK-method was performed at Massachusetts Eye and Ear Infirmary in 1996 by Dr. Dimitri Azar. The term LASEK (laser epithelial keratomileusis) was worded by Massimo Camellin.
LASEK and PRK-procedures permanently alter the shape of the cornea using an excimer laser.In the course of both procedures the anterior layer of the cornea, aka the re-growing layer, is removed and the laser ablates the surface of the corneal stroma so that nearsightedness is reduced.In the case of the PRK-method the anterior layer is left to re-grow itself, during the LASEK-method the cut out layer of epithelia is kept in a special solution before it is placed back on the eye after the procedure.
A computer is used to track the eye's movement 60 to 4 000 times per second (depending on the brand of laser) to direct all the laser pulses into the right spot. Most modern lasers track also the eye's visual axis and pause, if the eye moves too much.The anterior layer of the cornea, aka epithelia, is a soft, rapidly re-growing layer of cells, which is constantly in contact with the tear film and is able to regenerate itself within a couple of days without losing its clarity.The deeper layers of the cornea are formed in the mother's womb and their regenerative abilities are extremely limited.
If the deeper layers of the cornea are ablated with the laser or cut with the microkerotome, their former shape doesn't return and it stays exactly like the laser shaped it.This makes refractive surgery possible: the breaking of the light in the cornea is changed and figuratively speaking an additional lens is shaped within the cornea that helps the person to see clearly.The vision changes a little after the operation, because every person's cornea has different healing abilities, but the visual acuity achieved during the operation remains mostly the same.
What is LASIK?
In 1968 a group of scientists led by Mani Lal Bhaumik invented the excimer laser, while working on the development of a carbon-dioxide laser. This was the cornerstone for laser eye surgery. Dr. Bhaumik announced his discovery in May 1973 at a conference of the Optical Society of America in Denver, Colorado and later patented it.The next step in the development of the modern LASIK-operation was made in 1980 by Rangaswamy Srinivasan, who, while working at IBM Research Lab, discovered that an ultraviolet excimer laser could cauterize living tissue in a precise manner without thermal damages to the surrounding tissue.
He named this phenomenon Ablative Photodecomposition; APD. In 1983 Dr Stephen Trokel published an article in the American Journal of Ophthalmology, where he emphasized the possibilities of using excimer laser in refractive surgery. The first patent for LASIK-procedure was granted by the US Patent Office to Gholam A. Peyman on June 20, 1989. It described the surgical procedure called laser-assisted in situ keratomileusis, during which a flap was cut in the cornea and pulled back to reveal the corneal bed underneath.
The exposed surface was then ablated with the excimer laser in order to achieve the desired shape, following which the flap was adjusted back to its former place.The main difference between LASIK and PRK lies in the method, how the middle layer of cornea, or stroma, is reached. In case of PRK the flap (like with LASIK) is not cut, but the anterior layer, aka epithelia, is scraped off to get to the stroma. The development continuesWhile continuing the research that began in the 1950s, Lucio Buratto (Italy) and Ionnis Pallikaris (Greece) invented the modern laser procedure in 1990, as they combined two prior procedures - keratomileusis and photorefractive keratectomy.It quickly became popular because it was more precise than the former procedures and had a noticeably lower frequency of complications.
LASIK-procedures are used to correct myopia, hyperopia and astigmatism and it is preferred over PRK, because the procedure is less painful for the patient and the recovery time is shorter.Today lasers are becoming faster, the treatable area broadens, during the operation it is possible to measure the thickness of the cornea, you don't have to use blade for the cutting of the flap (Femtosecond-lasers) and Wafefront-technologies have significantly improved the reliability of the procedure compared to earlier days.
Despite all, the research is not slowed down, but new and better solutions are invented in reflective surgery: e.g. vision correction with only Femtosecond-method, Epi-Lasik, so called thin-flap LASIK, Wavefront-PRK and modern intraocular lenses. We hope to talk about all of these soon on the KSA webpage as well.
About the Author
Ants Haavel has performed more than 5500 refractive surgeries. Visit KSA Silma Laseroperatsioonid for more info.
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