Stage lighting in addition to professional computer moving head light, a new type of LED stage lights, and will never be outdated, a magical glamour of stage laser. Many chy-tech builds a dreamy effect, whether it is a large studio indoor or outdoor large square, laser can often create a fantastic dreamy atmosphere. When purchasing a laser, attention should be paid to the following:

1, about when buying power and spot diameter size

Laser beams have fatal harm to people's eyes, the greater the power, the more dangerous! Light spot diameter is less than 2 mm, 100 mw of power is greater than the stationary green laser beam, if direct shot to a person's skin, then within a few seconds will have the feeling of burning pain. When the same spot, power is more than 300 mw green laser beams shoot directly onto the clothes, within a minute, clothes may be burned. So, absolutely can't look straight into stationary laser beam.

Laser, laser beam is scattered by high-speed galvanometer scanning, although the laser power is large, but after brushing aside the per unit area of the laser power density is very low, don't usually irreversible damage to the eyes. If, however, caused by a malfunctioning circuit or scanning galvanometer laser beams in the process of normal scanning suddenly stopped, and the laser beam into your eyes, then see how your luck. Light person, your eyesight drops obviously, the person that weigh, blind immediately!

Laser show good-looking, but is very dangerous! In order to solve this problem, now Europe and the United States and other developed countries has developed a set of "laser scanning control protection" technology, laser is equipped with the technology, when unexpected stop scanning laser beam, laser will automatically be closed immediately. So, in order to protect you and your customer's eyes, you when laser demo products of choose and buy must pay attention to whether or not this product has a "laser scanning control protection function, and to verify the function.

2, the classification of the laser

Laser currently on the market, the classification of a total of two kinds from the scanning device. One kind is simple beam scanning laser, this kind of laser adopts stepper motor at low speed scan and the effect is only some simple beam effect of repetition. Another kind is the galvanometer scanning laser, normally this kind of laser can be put in the text and animation. The galvanometer scanning laser, and can be divided into low speed of around 10 KPPS text animation laser and ILDA standard > 30 KPPS high block text animation laser at a high speed. Low speed galvanometer scanning laser is not usually put in the complex high quality text or animation, nor out of the "multiple design special" the effect. MAO cheng of the development of high-speed galvanometer > 30 KPPS, high-grade text animation laser, can not only on the quality of text and animation, can also be put on the "multiple design special" the effect.

3, see sonic actual effect

Now a lot of laser have "acoustic" function, this "voice" is actually a very simple volume trigger laser playback function, effect is simple and monotonous. Of synthetic play "and the" laser music is to put the laser effect for synchronous synthetic data related with music rhythm play together, after that, in conjunction with the background music laser how orderly synchronous with the rhythm of the music playback, the effect is usually "acoustic" effect cannot be compared.

4, the text animation art effect

Many so-called text animation laser are currently on the market did not "break" effect, text animation art is very poor. The so-called "broken" is when put in the text, the same character of the strokes, or there should be no laser attachment between the two words. Usually, low laser did not "break" effect, the distortion degree on the text or animation is very large.

5, look to whether have "multiple laser design special"

Laser or performance if the system has multiple patterns "stunt" function, so it can be put on the effect is more rich, you can simply said, that a single head laser can launch is equivalent to the combination of the two common single head laser effect.

6, to see the quality of performance in "vibrating mirror"

Galvanometer is directly affecting the quality of design on the key element, usually in the same fidelity of good circumstances, can put more words; Or under the same number of words, the dropping out of the distortion degree of the text is smaller. Can put on the high quality of galvanometer, and can put in the high quality, effect more laser effect pattern.

7, "" DMX512" smart or not

Many claim that "DMX512 control" of laser on the market basically no programming function, just simple design calls, the laser effect generally drab. Programming "and" multi-functional DMX512 intelligence, has provided the powerful programming and design effect of editing means, have this function of the laser can be directly through the DMX512 control computer to edit the laser scene effect and application, as well as the laser effect scene with traditional stage lighting scene effect organic union, in a word, you can put the laser with the DMX512 control the amount of mixed use, can realize the effect of laser and the perfect combination of lighting effects.

8, see whether indicators meet the international standards of ILDA

If the laser manufacturer not ILDA members, so its products are usually not according to the standard design, otherwise will increase many cost.

9, see dust seal measures

Internal some optical laser reflective lens, if there is no dust inside sealing measures, the dust pollution and oil smoke will soon put the lens, such reflection efficiency will decrease, laser use after a period of time will need to be cleaned, or brightness will become very dark. But often clean, high reflective film on the mirror will be destroyed, the reflection efficiency is lower. So there is no dust proof measures of laser, although in just think brightness can also when buying, but before long, May 1 to 2 months after becomes very dark.

Judge a laser to have dust prevention measures, as long as it is there a piece of the laser output anti-dust glass. If not, it must be makers in order to save costs, no dust prevention measures. The laser, in fact, price is very poor, because it is the actual service life is short. So when laser of choose and buy must pay attention to have any dust control measures, if you are a dealer or engineering business, your customer within 1 to 2 months because of laser intensity drops, want you to replace the laser, do you feel very trouble?

Nominal 10, watch for power detection is true

The current domestic many laser producer, may be due to the lack of professional knowledge, laser often inadvertently false (reported) laser power is used to mislead customers, to achieve the purpose of promoting sales. Often take 50 mw laser nominal 100 mw, 500 mw green laser nominal is 1000 mw. If there is no laser professional knowledge, experience or measuring tools, identify the real power of the laser is more difficult, if you have doubt to the real power of the laser, the simplest way is to put the two laser field comparison, or consult an expert in the field of laser.

Laser light with bright color, high brightness, good directivity, range far, and the advantages of easy control, seem more magic dream feeling, so commonly used in building, park, square, theatre, all kinds of performances, etc., mainly using a laser beam is not divergent, attract far to people's eyes, was a few miles away from the laser spot has become the focus of attention. If the laser in high-rise buildings, or the top of the mountain scenic area, such as the beam into the distance, a bundle of bright green light in the sky, very bright, beam can swing up and down or so, within a few miles away can appreciate it magic magnificent appearance.

If used in outdoor, such as laser shooting from the laser water curtain, buildings, or walls, laser scanning system under the control of the fast moving, in writing, such as design for viewing.

As for indoor ornamental, such as laser installation within a theater, nightclubs, dance halls and other places. With a certain amount of dry ice smog, the laser beam and scanned into smoke, can form text, design, animation effects. Can also be used with the music playback intense laser show, the colorful bright color intoxicating linger! And, of course, usually a laser are most often used in club, a ballroom, a variety of performances, theater, outdoor advertising and landmarks, and so on.