Module Blue
2009
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Module Blue
Red laser module: Low power consuming pointer module
Laser pointer or laser pen is used to highlight a small bright spot of colored light onto any video or in picture. High power laser pointer is harmful for health it's a cause of blindness but lower power laser pointer is not harmful for health. Small power laser pointer it usually uses to highlight a spot. These types of laser pointer maker small width beam. This beam is invisible in reasonably clean atmosphere. It is showing a point of light when striking an opaque surface.
Some high powered laser pointers project a visible beam via scattering from dust particles or fog droplets along the beam path. Higher power and higher frequency lasers (green or blue color) may have a visible beam even in clean air due to Rayleigh scattering from air molecules, especially when viewed in moderately-to-dimly lit conditions. The intensity of such scattering increases when these beams are viewed from angles near the beam axis. Such pointers, particularly in the green-light output range, are used as astronomical-object pointers for teaching purposes, in the same general manner as flashlights.
The recent low-cost availability of infrared diode laser modules of up to 1000 mw output has created a generation of IR-pumped frequency-doubled "laser pointers" in green, blue, and violet, of extremely high visible power (100–300 mw). Because the IR in the beams of these lasers is difficult to filter and contributes heat which is difficult to dissipate in a pocket laser pointer package, it is often left as a beam component in cheaper high-power "pointers." This causes a degree of extra potential hazard in these devices.
The brightness of the spot not only depends on the optical power of the laser and the chromatic response of the human eye, but also depends on the reflectivity of the surface. For the same optical power the red laser will seem brighter than other colors because the human eye is most sensitive at high levels in the red region of the spectrum. Sensitivity decreases for redder or bluer wavelengths. Red laser module is a part of laser product. it is commonly used in many organization as well as in military regions. Common use of this red laser module is to highlight a spot in video or in picture. But recently it is commonly used for navigate the way of climber. It is so powerful and it can highlight a spot far away from climber.
This way climber can measure they way of destination. It has 30mW laser power also it is output of this laser pointer. This red laser module has 650 nanometer of wavelength. It is exquisite and durable product. it is great for DIY projects. Opening voltage of this red laser module is 3 Volts. Diameter of the red laser module is 12mm and length is 30mm. so it is handy and easy to carry by everyone. But before buying this product you should check the law and rules of your country.
Since laser pointers became readily available, they have been misused, leading to the development of laws and regulations specifically addressing use of such lasers. Their very long range makes it difficult to find the source of a laser spot. In some circumstances they make people fear they are being targeted by weapons, as they are indistinguishable from dot type laser reticules. The very bright, small spot makes it possible to dazzle and distract drivers and aircraft pilots, and they can be dangerous to sight if aimed at the eyes. It is so harmful about children so keep it away from children.
About the Author
For more details, please visit http://www.lasersman.com/red-laser-module-30mw-650nm/
I have a 1991 Toyota Tercel that has blue smoke coming from the exhaust. What is causing this?
The blue smoke only happens at start up (most of the time) and only for about a minute and then disappears. My car has been burning more oil than usual. I had the engine control module replaced with a used one about two months ago and the blue smoke problem and the extra burning of oil seemed to show up shortly afterwords.
Thanks for your help.
Bill
oil seeping past you valve stem seals when the engine is off causing the oil to burn off on start up. you can have the valve stem seals replaced or you can try some of the many products designed to stop smoking
450nm / 445nm - OVER 1W BLUE LASER HOMEMADE MODULE TEST
