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Nitrogen lasers are excellent sources for general spectroscopy, laser-induced fluorescence and photochemistry, as well as in teaching laboratories. Because of their tunability, dye lasers may be used for a large variety of applications in the UV-visible region. For experiments in the life science laboratory, nitrogen and dye lasers can easily be fiber-optically coupled to a microscope.

When pumped by nitrogen lasers, dye lasers are tunable over a wide spectral range from 360 to 990 nanometers. Dye lasers equipped with frequency doublers are even tunable in the deep UV region from 235 to 345 nm.
 

PTI introduced our first nitrogen and dye lasers in 1987, and they have undergone continual improvement since that time. PTI has pioneered a whole new laser technology that provides high power and trouble-free operation at a low price. Since entering the field, PTI's Laser Engineering Group has accumulated over a century of experience!

The finest nitrogen and dye lasers in the industry
Nitrogen and dye lasers from PTI have excellent performance specifications, they are remarkably reliable, and they are extremely easy to use! They are also particularly easy to use as systems.

A dye laser is always used with a nitrogen laser and a frequency doubler is always used with both a dye and a nitrogen laser. It would not be unreasonable to assume that the precise optical alignment of such high performance components would be a laborious and frustrating process.

Quite the contrary: the PTI laser family is made to fit together easily. The construction of the cabinets of the nitrogen and dye lasers and the frequency doubler are identical, and the acceptance criteria are very forgiving. By simply placing the cabinets together, optical alignment is assured. It couldn't be simpler.

How rugged are PTI's lasers? The Naval Ocean Systems of the Public Works Center in Jacksonville, Florida, has one in their portable laboratory (see photo at right). This sophisticated lab on wheels is used to probe soil for petrochemicals and other pollutants, and it has been traveling all over the country for several years.

PTI's family of lasers include:

• Model GL-3300 Nitrogen Laser The pulsed gas laser that set the industry standard is extremely reliable, economical and easy to use, and it requires only an inexpensive tank of nitrogen gas to operate—no costly cartridges to replace, no frequent servicing or fine-tuning.

• Model GL-301 Dye Laser High power output, continuously tunable from 360 to 900 nm, at an economical price.

• Model GL-302 Dye Laser High power and ultra-high resolution tunable output.

• Model GL-303 Frequency Doubler Extend laser output into the deep UV region, from 235 to 345 nm.

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