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New RED Laser Modules Series Debut now
Egismos is presenting new Laser Module series: L4 and L6 RED Laser modules.Now besides the High End products, Egismos offer Laser Modules for attractive price: thanks to our new patented technology. For more information about these LM, please email tosales@egismos.com
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F5.6mm Blue Laser Diode released
Dia. F5.6mm 405nm/445nm blue laser diodes are successfully developped in mass production. EGISMOS is willing to support the special price close to the market expection. They come in various power selection ranging from 20mW, 50mW and 500mW.
Mini DPSS Green Laser Modules released
Dia. F8mm DPSS green laser modules are successfully developped for the application where size and visible brightness matters the most. They come in various power selection ranging from 1mW to 100mW. The smallest dimension F8mm x 30mm.
Mini S4 Series Red Laser Modules released
Dia. F4mm x 10mm red laser modules are successfully developped for the application where size matters the most like mobilephone, portable application. They come in various power selection ranging from 1mW and 5mW.
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Typical Laser Diodes |
The most common laser diodes of visible wavelength have 635nm, 650nm for red laser, and 405nm, 445nm for blue laser. As the green laser diode, it's still in developing stage and most of green lasers are made in a DPSS(Diode Pumped Solid State) technology.
With the use of RGB (Red/Green/Blue) light, it is possible to create all colors visible for human eyes. However, the blue laser diodes are still very expensive and the response time of DPSS green laser (frequency) is too slow for the modulation control.
As the applications for nonvisible light, the most common lasers are those whose wave is longer than 780nm. The applications for invisible IR light are 850nm, 808nm or 980nm laser diodes.
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Introduction to Diode Laser and Laser Diode
The terms 'laser diode' and 'diode laser' somewhat can be used interchangeably. Usually we tend to use the term 'diode laser' when referring to a complete system or module. The 'laser diode' generally called as the device, refers to the combination of the semiconductor chip that does the actual lasing along with a monitor photodiode chip......more |
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Typical Laser Diodes
The most common laser diodes of visible wavelength have 635nm, 650nm for red laser, and 405nm, 445nm for blue laser. As the green laser diode, it's still in developing stage and most of green lasers are made in a DPSS(Diode Pumped Solid State) technology......more |
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Diode Laser Safety
As the CE of Europe safety rule requests, lasers sold in EU territory must fall into two categories: class 1 <0.39mW, class 2 <1mW of collimated laser. And the FDA of USA allow the class 3A <5mW for the consumer products. As the detail safety rules would be different for different regions and applications, you also can contact EGISMOS for more information......more |
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Beam Characteristics of Laser Diodes
Unlike the helium-neon and other common gas lasers, the raw output beam from an edge emitting (also called Fabry-Perot or FP) laser diode is highly divergent and suffers from two asymmetries: astigmatism and an elliptical beam profile. The beam is also inherently linearly polarized......more |
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