Laser Yag Iridotomy

Advances in ND : YAG Laser Surgery $312.98 No Synopsis Available

Neodymium : YAG Laser in Medicine and Surgery $82.88 No Synopsis Available

Yag Training Vessels $68.51 High Quality Content by WIKIPEDIA articles YAG (Yard Auxiliary, General) training vessels are wooden boats built between 1954 and 1958, and based at CFB Esquimalt in Esquimalt, British Columbia, Canada. The vessels are used for training Canadian Forces regular naval officers, naval reservists, and members of the Royal Canadian Sea Cadets in basic seamanship, vessel handling, and navigation. According to the Department of National Defence, in 2000, a total of 1830 personnel were deployed on the YAGs for a total of 585 days and steamed over 25,000 nautical miles (46,000 km) in support of training. YAGs displace 70 tonnes, and are divided into five major belowdecks compartments: right forward, a chain locker, then the forward cabin, containing the galley, one of the heads (washrooms) and the officers eating and sleeping areas, as well as the gyroscopic (gyro) compass. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 80 Publication Date: 2010/07/05 Language: English Dimensions: 5.98 x 9.01 x 0.19 inches

Ophthalmic Neodymuim: Yag Lasers $19.01 No Synopsis Available

Ophthalmic Neodymuim : Yag Lasers $19.01 No Synopsis Available

Laser Bonding $71.7 Laser bonding is a marking technique that uses lasers and other forms of radiant energy to bond an additive marking substance to a wide range of substrates. Invented in 1997, this patent protected technology delivers permanent marks on metals, glass and ceramic parts for a diverse range of industrial and manual applications, ranging from aerospace to the awards engraving industries. It differs from the more widely known techniques of laser engraving and laser ablation in that it is an additive process, adding material to the substrate to form the marking instead of removing it as in those techniques. For metals, parts can be permanently marked with high contrast, high resolution marks for logos, barcoding, identification and serialization purposes, without damage to the substrate. With glass and ceramics, complex surfaces can be decorated or marked and the traditional firing process replaced by a laser, with its permanent bond fired on in seconds. Laser bonding has been achieved by Nd:YAG, CO2 laser, Fiber laser and Diodepumped solidstate laser and can be made by other forms of radiant energy. Laser bonding is often referred to as CerMark, CerMarked, or CerMarking Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 92 Publication Date: 2010/04/23 Language: English Dimensions: 9.02 x 5.98 x 0.22 inches

Green Lasers Protective Safety Goggles (Blocks 150nm~540nm) $51.7 Manufacturer's productspecifications:- All-direction, all-angleprofessional safety protection eyeglasses- Filters harmful light waves between 150~540nm- Designed protect eyesfrom high powered green lasers- Protected laser types: YAG- Other light penetration rate: >85%- Laser filter capability: YAG laser power reduction of 10000+ times

Laser Desorption from a Room Temperature Ionic Liquid. $115.71 We report laser desorption from a Room Temperature Ionic Liquid (RTIL) as a novel source for time of flight mass spectrometry. We use the 2nd harmonic of an Nd: YAG laser to deposit intensities of 150 MW/cm2 via backside illumination onto our RTIL desorption sample. A microstructured metal grid situated on top of a glass microscope slide coated with RTIL serves as our desorption sample. The RTIL we use, 1Butyl, 3Methylimidazolium Hexafluorophosphate, remains liquid at pressures below 108 torr. The use of liquid desorption sample allows for improved surface conditions, homogeneity and sample life as compared to Matrix Assisted Laser Desorption Ionization (MALDI) techniques. Our desorption technique is also unique as it allows the study of both multiphoton and acoustic desorption processes within the same time of flight spectra. Our technique yields intrinsically high resolution, low noise data. We observe differences between ion species in their preference for desorption by a particular desorption method. Specifically, we observe desorption solely by acoustic means of an entire RTIL molecule adducted with an RTIL cation. Finally, we report the applicability of this technique for the desorption of biomolecules Author: Harris, Peter Ronald Binding Type: Paperback Number of Pages: 112 Publication Date: 2011/09/11 Language: English Dimensions: 9.69 x 7.44 x 0.23 inches

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Spectroscopic Studies in Solid Helium $218.86 First implantations of Ba and Cs atoms into solid He by means of laser ablation were done in 1993 at MPQ (Max Planck Institut fr Quantenoptik). Solid He is very well suited for high precision spin physics. The implanted atoms diffuse only very slowly out of the investigation region (few hours) in contrast to superfluid He (less than one second). Atoms in solid He are mainly lost due to dimer and cluster formation. A constant number of foreign atoms can be obtained by applying pulses from the same Nd:YAG laser used for the ablation process, thereby destroying the clusters. Longitudinal spin relaxation times of 1 second for Cs in solid He and magnetic resonance linewidths of 2,kHz (two orders of magnitude smaller than in superfluid He) were measured. The lines were broadened by residual magnetic fields and later, linewidths of only 20,Hz were obtained after reduction of magnetic field inhomogeneities. Doped solid He is such a complex and unique system that it has led to many interesting discoveries, some of them are discussed in detail in this work. Author: Hofer, Adrian Binding Type: Paperback Number of Pages: 128 Publication Date: 2009/09/17 Language: English Dimensions: 6.00 x 9.00 x 0.27 inches

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Response Time of Charge Carriers in Semiconductors $103.56 As the summary, carrier relaxation dynamics in nondoped BSO and Cr doped BSO is studied using the PIA change by nanosecond pulse excitation using a frequency doubled Nd: YAG laser. The timeresolved PIA decay in nondoped BSO relaxes in a few hundred milli second whereas for the Cr doped BSO, this happens in time of the order of hundred seconds. The Cr defects in BSO increase the density of the shallow and deep trap levels that increase relatively the life time of the charge carriers compared to nondoped BSO. The microoptical mechanism for the PIA decay is related to the carrier tunneling between localized state of each Cr ions than carrier trapping. From the optical absorption spectra measurements, the Cr doped BSO has shifted the intrinsic edge to the longer wavelength and gave rise to new absorption bands in the visible and NIR ranges Author: Wubetu, Getasew Admasu Binding Type: Paperback Number of Pages: 68 Publication Date: 2011/01/04 Language: English Dimensions: 6.00 x 9.02 x 0.16 inches

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laser iridotomy for angle closure glaucoma

YAG Laser Surgery In India- Affordable Cost YAG Laser YAG Eye Surgery

 

YAG Laser Surgery

Due to the use of a YAG (yttrium-aluminum-garnet) laser to do surgery hence the term so. One use for a YAG laser in surgery is to punch a hole in the iris to relieve increased pressure within the eye from acute angle-closure glaucoma. In this type of glaucoma, there is a sudden (acute) increase in pressure in the anterior (front) chamber of the eye due to abrupt blockage of the normal circulation of fluid within the eye.

There are other kinds of YAG laser surgery for the eye (e.g., for cataracts) and other areas of the body including the skin (e.g., to remove birth marks).

 

Steps Of Yag Laser Surgery

YAG LASER produces a concentrated beam of light that can focus on the iris or any thick membrane behind the intraocular lens.

This laser beam can create a smooth ,fine opening of desired size in these structures without affecting other sensitive parts of the eye...

 

Applications where YAG LASER is used :

Posterior Capsulotomy : -

Treatment of secondary cataract. This accounts for 95% of the YAG therapy modalities. After cataract surgery with the implantation of a posterior chamber lens (IOL) clouding of the remaining posterior lens capsule can occur in some cases...

 

Cleaning Of Iol Surfaces : -

Clusters of cells are sometimes deposited on the surface of implanted intraocular lenses, making the lens cloudy or opaque. The YAG laser is used with very low energy to remove these deposits from the surface of the IOL. This would appear to occur primarily with the now increasingly used silicone lenses...

 

Anterior Capsulotomy : -

This application, is performed in preparation for capsulorhexis (opening of the anterior capsule wall) as part of cataract surgery...

 

Iridectomy/ Iridotomy : -

Treatment for lowering intraocular pressure when flow of aqueous humour between the lens and the iris is blocked. A hole is created in the iris with the YAG laser. This treatment is performed when there is an obstruction in the flow of aqueous humour between the crystalline lens and the iris (angle-closure glaucoma and chronic glaucoma with a narrow chamber angle)...

 

Trabeculotomy/Goniotomy : -

Treatment of glaucoma. An opening is created with the YAG laser in the tissues responsible for the the outflow of aqueous humour, in cases of obstruction or blockage. Trabeculotomy is rarely performed with the YAG laser...

 

Removal Of Synechiae : -

Synechiae is an adhesion of the iris to surrounding tissue. The YAG laser can treat anterior (adhesion around the cornea) and posterior (adhesion to the lens) synechiae...

 

Severing Vitreous Strands And Membranes : -

Treatment in which vitreous strands and membranes are severed with the help of a YAG laser...

 

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