Helium-neonlaserspectrum

The laser beam heats and vaporizes abnormal cells, so that a tumour is removed or made smaller to relieve symptoms, like a blockage or bleeding. The laser may be used to cut a small piece of tissue to be removed so it can be looked at under a microscope.

The Canadian Cancer Society is not responsible for the quality of the information or services provided by other organizations and mentioned on cancer.ca, nor do we endorse any service, product, treatment or therapy.

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All our laser models can be provided with adequate OEM and laboratory power supplies, meeting the European and American standard with the availability of approvals and certificates CDRH, IEC, CSA, CE, TÜV, UL.

Tube supports exact two orthogonally polarized longitudinal modes. Required for special methods of frequency stabilization.

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Frequency split of He-Ne laser modes in the presence of a strong magnetic field (> 200 G). Can be used for obtaining extremely high frequency stability. LASOS® has been successful in developing tubes with specific split frequencies for defi ned magnetic fields.

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We do our best to make sure that the information we provide is accurate and reliable but cannot guarantee that it is error-free or complete.

Laser surgery is usually done in a clinic or hospital operating room. Depending on what type of laser surgery you are having, you may be given an anesthetic or sedative before the procedure. Your doctor may use an endoscope (a tube-like instrument with a light and lens) to find the tumour inside of an organ. When the tumour or abnormal area is found, the endoscope is used to aim the laser beam to treat the tissue.

Side effects can occur with any type of treatment, but not everyone has them or experiences them in the same way. Side effects of laser surgery include bleeding, pain and fever.

Nd:YAG lasers can go deeper into tissue than other types of lasers. This type of laser can be carried through fibre optic cables in an endoscope to treat parts of the body that are hard to reach. Nd:YAG lasers are used to treat certain types of cancer, including throat, skin, liver and prostate cancers. Because they can make blood clot quickly, they are also used to stop bleeding.

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Laser surgery is most often used to treat precancerous conditions or carcinoma in situ of the cervix, vagina, vulva or penis.

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Argon lasers can only go through a thin layer of tissue. This type of laser is used to treat some types of eye cancer and skin cancer. It may also be used to remove a polyp during a colonoscopy. Argon lasers are used for photodynamic therapy (PDT), which uses drugs that become active when they are exposed to light (called photosensitizers) to destroy cancer cells.

Lasers are named for the gas, liquid, or solid used to make the light. Different types of lasers can be used in laser surgery. They differ in how deep the laser cuts into tissues. The following 3 types of lasers are most commonly used in cancer treatment.

The information that the Canadian Cancer Society provides does not replace your relationship with your doctor. The information is for your general use, so be sure to talk to a qualified healthcare professional before making medical decisions or if you have questions about your health.

Being prepared for a test or procedure can lower anxiety, increase cooperation and help the child develop coping skills. Parents or caregivers can help prepare children by explaining to them what will happen, including what they will see, feel and hear during the procedure.

Laser surgery uses a laser (an intense beam of light) to make bloodless cuts in tissue. It is also called laser therapy, photoablation or photocoagulation.

Unwanted emission besides the nominal wavelength value, often disturbing in spectroscopy and interferometry. Can be suppressed by special mirror technology.

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Carbon dioxide (CO2) laser removes thin layers from the surface of the skin without going into deeper layers. It is used to treat tumours on the surface of the skin or organ (they have not grown deeply into the tissue). It is also used to treat certain precancerous conditions.

How you help a child prepare for laser surgery depends on their age and experience. Find out more about helping children cope with tests and treatment.

We take customer service seriously. In close cooperation with the sales team all customer concerns are handled with high priority. Wether it is a request, order, repair or complaint LASOS is dedicated to provide continous information on the status and to fulfil the service in a timely manner.

Sudden changes of the polarization of different modes espacially in short tubes. Particularly disturbing when HeNe laser tubes are used in frequency stabilized operation. Can be eliminated by special selection process.

The Helium Neon lasers are designed for multipurpose applications such as confocal laser scanning microscopy, spectroscopy, digital imaging, metrology, industrial measurement, positioning, alignment, aiming, testing, code scanning, medical, basic research, education or entertainment.

The LASOS® Helium Neon lasertubes and modules have a robust mechanical design, excellent beam quality and long service life of up to 30,000 hours. Standard and customized models are available in a large variety in the spectral range red, green and yellow with output powers between 0.5 and 20 mW. Options are single mode or multimode, randomly or linear polarized and Brewster window tubes for educational and scientific purposes.