Laser Pointers Lasers
Description
Laser pointers are devices that emit a focused beam of light, typically in the visible spectrum, which is used to highlight or point out specific areas or objects. They are compact and handheld, making them convenient for various uses.
Working Principle
Laser pointers operate on the principle of light amplification by stimulated emission of radiation (LASER). This involves exciting atoms or molecules from a low energy level to a higher one using light of a specific wavelength. The excited atoms then emit light of a single pure color, creating a coherent and intense beam. This focused beam is what makes laser pointers useful for precision pointing and highlighting tasks.
Applications
Laser pointers are widely used in educational and business settings as pointing devices during presentations. They are also employed in industrial settings for distance measurement and leveling. Additionally, laser pointers are used in special effects for laser shows and can serve as beacons in emergency situations. In the defense sector, they are utilized as laser gunsights.
Advantages over other Lasers
Laser pointers offer the advantage of portability and ease of use compared to larger laser systems. Their compact size and ability to produce a focused beam make them ideal for applications where precision and mobility are required, such as in presentations or fieldwork.
Limitations
One limitation of laser pointers is their relatively low power output compared to industrial or medical lasers, which restricts their use to applications that do not require high energy levels. Additionally, the beam's visibility can be affected by ambient light conditions, reducing effectiveness in brightly lit environments.
Considerations
When considering laser pointers, factors such as initial cost, operating expenses, and durability should be evaluated. While they are generally affordable, the cost can vary based on the wavelength and power output. Operating expenses are minimal, but users should consider the cost of replacement batteries. Durability depends on the build quality, and frequent use may necessitate periodic maintenance or replacement. Accuracy is typically high for short-range applications, but users should ensure the device is properly calibrated for precise tasks.
from Laserglow Technologies
The Scorpius Series, a portable DPSS laser emitting at 1064 nm, produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The Scorpius Series is... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Infrared
- Laser Output: Continuous
- Wavelength Range: 1064
from Traceable® Products
Laser is perfect for slide presentations, wall charts, and lectures. Provides a brilliant red light at the highly visible 650 nm wavelength with a beam diameter of 3.5 mm. Power Class III laser has an output power of 4 mW and a range of 300 feet. Three silver-oxide batteries provide months of... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Red
- Laser Output: Continuous
- Features: Internal Power Supply
from Laserglow Technologies
The Scorpius Pro, a portable DPSS laser emitting at 1064 nm, produces a completely invisible laser beam. Extreme caution must be used when operating any infrared laser as the human eye will not detect it. Laser safety goggles are included with each Scorpius Series laser. The Scorpius Series is... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Infrared
- Laser Output: Continuous
- Wavelength Range: 1064
from Traceable® Products
Pointer's brilliant red beam works equally well in daylight and dark. Laser is designed specifically for slide presentations, wall charts, and field use. Beam is at the highly visible 650 nm wavelength with diameter of 3.5 mm. Output is 4 mW with a range of 400 feet. Key chain makes it easy to... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Red
- Laser Output: Continuous
- Features: Internal Power Supply
from Laserglow Technologies
The shortest wavelength available in a laser pointer, the Electra produces laser light very close to the ultraviolet part of the visible spectrum at 405 nm. The unique properties of this laser include the ability to excite fluorescent and phosphorescent materials. The Electra can be a useful... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Violet
- Laser Output: Continuous
- Wavelength Range: 405
from Traceable® Products
Perfect pocket laser pointer for slide presentations, detailed scientific discussions, microscope projections, field studies, wall charts, and lectures. Provides a brilliant red light at the highly visible 630-680 nm wavelength with a beam diameter of 3.5 mm. Laser Class IIIA has an output power of... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Red
- Laser Output: Continuous
- Features: Internal Power Supply
from Laserglow Technologies
The shortest wavelength available in a portable laser, the Electra Pro produces laser light very close to the ultraviolet part of the visible spectrum at 405 nm. The unique properties of this laser include the ability to excite fluorescent and phosphorescent materials. The Electra Pro is a reliable... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Violet
- Laser Output: Continuous
- Wavelength Range: 405
from Laserglow Technologies
Cutting-edge 447 nm laser diode technology is what makes this blue laser pointer both unique and affordable. Keep everyone's attention with the Hydra's deep blue light. This <5 mW Class IIIa laser pointer is non-hazardous for momentary accidental exposure making it ideal in general business,... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Blue
- Laser Output: Continuous
- Wavelength Range: 447
from Laserglow Technologies
The development of 447 nm blue laser diodes is nothing short of a revolution for portable laser technology. The Hydra Pro brings blue laser light at higher powers into the palm of your hand at much lower prices than previously possible. Its ground breaking 447 nm wavelength is not only captivating... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Blue
- Laser Output: Continuous
- Wavelength Range: 447
from Laserglow Technologies
The Polaris is the world's most powerful visible-wavelength blue portable laser. Cutting-edge 447 nm laser diode technology brings power levels previously only possible using bench-top blue lasers that cost tens of thousands of dollars into the palm of your hand at a fraction of the cost. Its ground... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Blue
- Laser Output: Continuous
- Wavelength Range: 447
from Laserglow Technologies
This blue laser pointer will captivate audiences wherever you take it, whether at home with friends or at a presentation conference with colleagues. Blue laser pointers are still so rare that few have ever seen one. Be one of the first to own this unique product but don't blame us if you keep... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Blue
- Laser Output: Pulsed
- Wavelength Range: 473
from Laserglow Technologies
Laserglow's Aquarius Pro series of blue portable lasers are a true achievement in portable laser technology. These lasers incorporate the same technology found in bench-top lab lasers into a compact portable handheld housing. Pulsed at 700Hz to achieve stable high output power without the use of... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Blue
- Laser Output: Continuous
- Wavelength Range: 473
from Laserglow Technologies
An Altair laser is the perfect tool for professionals and laser hobbyists who need full control over the size of the projected beam. The projected spot size can be easily adjusted using the focusing ring at the front of the laser pointer. The combination of this added functionality with improved... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532
from Laserglow Technologies
The Anser is Laserglow's latest addition to the green laser pointer line-up. The pointer does not include a pocket clip or any glossy finishes, the flat black finish gives the Anser a tactical, utilitarian look and feel. The Anser is our lowest-priced green laser pointer and comes in one power... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532
from Laserglow Technologies
Laserglow's original portable green laser, the Aries Series is built from the ground up for continuous high-power operation. When a laser pointer does not provide sufficient output power the Aries gives the same portability at power levels of up to 250 mW at 532 nm. The machined aluminum heat sink... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532
from Laserglow Technologies
The Galileo is the latest in functionality, reliability and output power stability. The click-on, click-off switch allows hands-free operation and easy use when continuous operation is required. The miniature heat sink means that the output will not drop during long operating periods, and the single... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532
from Laserglow Technologies
These laser pointers are the ultimate in style for any presentation or lecture. True 18k gold or platinum plating gives these green laser pointers an unforgettable shine, and the laser itself is as impressive and reliable as any Laserglow pointer. The highly focused green beam will be visible... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532
from Laserglow Technologies
Laserglow's Hercules Series Portable laser provides unparalleled output power and stability in a portable, handheld device. Exceeding 750 mW sustained output, the Hercules currently holds the world record as the most powerful green handheld laser. Using a combination of forced-air and thermoelectric... [See More]
- Laser Type: Laser Pointers
- Laser Wavelength: Green
- Laser Output: Continuous
- Wavelength Range: 532