Wavelength Technology

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RONAR-SMITH® LASER OPTICS & IR IMAGING

Power DPM Crystal

Diode-Pumped Solid State (DPSS) lasers are the ideal laser tools of machining, material processing, spectroscopy, wafer inspection, light show, medical diagnostics and other applications. DPM (Diode-Pumped Microchip laser) crystals, which combine Nd:YVO4 and KTP, has been developed. The DPM crystals are mainly used for low power applications, for example, the Green Laser Pointers.
The pump power for the Low Power DPM crystals is suggested to be less than 300mW, and the generated green output power could be less than 10mW. And a heat deposit mechanics is needed. 
DPM Efficiency Curve

Specification

Parallelism

Less than 5 arc second

Coatings

Incident Surface: HR R>99.8% @1064nm HT R<5% @808nm
HR R>99% @532nm
Output Surface: HR R>99.8% @1064nm HT R<5% @532nm

Output Wavelength

532nm

Beam Mode

TEMoo

Output Power

Less than 10mW

Standard products

P/N

Clear Aperture (mm)

Length (mm)
(Nd: YVO4 + KTP)

Total Size (mm)

DPM-1-2.5

1x1

0.5 + 2

1x1x2.5

DPM-1.5-2.5

1.5x1.5

0.5 + 2

1.5x1.5x2.5

High Power DPM Crystal

Another type of DPM (Diode-Pumped Microchip laser) crystal is now available for high power Diode Pumped Green Lasers. It consists of Nd:YVO4 and KTP, can used for high pump power, and generated high power green laser output. The typical pump power is suggested to be less than 500mW, and the generated green output power could be about 60mW. And a heat deposit mechanics is needed.

This DPM microchip lasers could be used in some laser display systems, for example: Green Laser Module, 3D lasers, Club lasers and Disco lasers.
DPM Efficiency Curve

Specification

Parallelism

Less than 5arc second

Coatings

Incident Surface: HR R>99.8% @1064nm HT R<5%@808nm
HR R>99% @532nm
Output Surface: HR R>99.8% @1064nm HT R<5%@532nm

Output Wavelength

532nm

Beam Mode

TEM00

Output Power

5mW ~ 60mW

Standard products

P/N

Clear Aperture (mm)

Length (mm)
(Nd: YVO4 + KTP)

Total Size (mm)

DPM-1-2.5H

1x1

0.5 + 2

1x1.5x2.5

DPM-1.5-2.5H

1.5x1.5

0.5 + 2

1.5x2x2.5

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