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Economical Green Dot Laser

Model : VLM-520-04 Series
Economical Green Dot Laser Module - Low cost solution for consumer grade positioning, measuring, pointing and laser sighting device.

FEATURES:

1.  Direct Green Laser Diode module to provide large temperature operation range.

2.  Ideal Laser module if cost is a very important consideration.

3.  This module has integrated optic, laser diode, and APC driver circuit.

4.  APC Driver Circuit enables the Laser output power safe and constant.

5.  Aspherical plastic lens provides tight Dot Laser.



Laser products manufactured by Quarton inc. meet the international safety standards:


USA: FDA Class I, II, IIIa
Japan: PSC(JQA)
Europe: EU60825, CE & TUV-GS


Quarton inc. places emphasis on laser safety

About APC (automatic power control) circuit:

The Laser output power must be stable especially in safety reason.
But the Laser power is related to the Junction Temperature (Tj) of the LD. It means that as the different Tj, the Laser power will be increased or decreased.
An APC (automatic power control) circuit is used to compensate the varying Laser output power to constant.
As shown in the picture, The principle of the APC circuit is monitoring portion of the laser light from the LD by the built-in PD and real-time feedback to control the laser output power constant and safety.


Where to buy


Comparison sheet

Model Number

Specifications

VLM-520-00 VLM-520-01 series VLM-520-02 series VLM-520-03 LPT VLM-520-04 series VLM-520-17 series VLM-532-42 series VLM-532-43 series VLM-520-51 series VLM-520-52 series VLM-520-53 series VLM-520-60 series VLM-520-73 series VLM-520-74 series VLM-520-91 LPB CLM-520-01 LPO CLM-520-02 LPT CLM-520-11 LPO CLM-520-12 LPT
Dimensions Ø10.52 x 17.2 mm Ø10.4 x 18.4 mm Ø10.5 x 26 mm Ø7 x 21 mm Ø6.55 x 28.6 mm Ø13 x 62 mm Ø10.5 x 46.5 mm Ø13 x 60 mm Ø8 x 30 mm Ø8.5 x 30.5 mm Ø10.5 x 31 mm Ø10 x 40 mm Ø7 x 26.1 mm Ø6.5 x 26 mm Ø16 x 25 mm Ø20 x 60 mm Ø20 x 60 mm 20 x 20 x 60 mm 20 x 20 x 60 mm
Operating voltage 6.5~7.5 VDC 7~10 VDC 7~10 VDC 7~10 VDC 3~6 VDC 3~6 VDC 2.7~3.3 VDC 2.7~3.3 VDC 3~6 VDC 3~6 VDC 3~6 VDC 3~6 VDC 3~6 VDC 3~6 VDC 4~6 VDC 3~6 VDC 3~6 VDC 3~6 VDC 3~6 VDC
Operating current Less than 105mA Less than 80mA / 100mA Less than 80mA / 100mA Less than 80mA Less than 150mA Less than 100mA / 150mA Less than 300mA Less than 300mA Less than 150mA Less than 150mA / 280mA Less than 150mA Less than 60mA / 150mA Less than 150mA / 200mA Less than 150mA / 200mA Less than 500mA Less than 160mA Less than 160mA Less than 160mA Less than 160mA
Laser power output Optical power less than 10mW Less than 1mW / 4mW Less than 1mW / 4mW Less than 1mW Less than 1mW 0.7~0.9mW / 2~3mW / 5~6mW Less than 1mW / 5mW Less than 1mW / 5mW / 10mW Less than 1mW / 4mW Less than 1mW / 4mW / 15mW Less than 1mW / 4mW Less than 0.39mW / 1mW Less than 1mW / 4mW Less than 1mW / 4mW 100mW Less than 0.39mW Less than 1mW Less than 0.39mW Less than 1mW
Laser class Class II / Class IIIa Class II / Class IIIa Class II Class II Class II / Class IIIa / Class IIIb Class II / Class IIIa Class II / Class IIIa / Class IIIb Class II / Class IIIa Class II / Class IIIa / Class IIIb Class II / Class IIIa Class I / Class II Class II / Class IIIa Class II / Class IIIa Class IIIb Class I Class II Class I Class II
Wavelength 505~530nm 505~530nm 505~530nm 505~530nm 505~530nm 510~530nm 532nm 532nm 505~530nm 505~530nm 505~530nm 515~530nm 505~530nm 505~530nm 520nm 515~530nm 515~530nm 515~530nm 515~530nm
Collimating lens Plastic lens Plastic lens Plastic lens Plastic lens Plastic lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens Glass lens
Output aperture 5mm 5mm 4mm 3mm 3mm 8mm 5mm 5mm 5mm 0.6mm 4.3mm 4.3mm 2.5mm 0.8mm 3mm 0.8mm 3mm
Beam shape Ellipse Ellipse Ellipse Ellipse Ellipse Circular Circular Circular Ellipse Ellipse Ellipse Circular Ellipse Ellipse Ellipse Circular Circular Circular Circular
Spot size Less than 4.5mm at 3M Adjustment focus Less than 4mm at 5M Less than 4mm at 5M Less than 9mm at 40M
Less than 22mm at 100M
6±1 mm at 3M 4±1mm at 5M
18±2mm at 30M
5±1 mm at 10M 5±1 mm at 10M 5±1 mm at 10M Less than 1mm at 0~50cm
Less than 2mm at 50~90cm
Less than 7mm at 10M Less than 7mm at 10M Less than 15mm at 10M Less than 1.2mm at 1M Less than 9mm at 20M Less than 1.2mm at 1M Less than 9mm at 20M
Divergence (Half Angle) 0.5 mRad 0.5 mRad 0.5 mRad 0.6 mRad 0.6 mRad Less than 0.1 mRad 1 mRad 0.3 mRad Less than 0.4 mRad Less than 0.4 mRad Less than 0.4 mRad Less than 0.4 mRad Less than 0.6 mRad Less than 0.6 mRad 0.15 mRad 0.15 mRad 0.15 mRad 0.15 mRad
Beam alignment Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 3° Less than 1mm Less than 1mm Less than 1mm Less than 1mm
Operating temp. range +10°C ~+40°C +10°C ~+40°C +10°C ~+40°C +15°C ~+30°C +10°C ~+40°C +10°C ~+50°C +20°C ~+30°C +15°C ~+35°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C -20°C ~+60°C
Storage temp. range -20°C ~+65°C -20°C ~+65°C -20°C ~+65°C -20°C ~+65°C -20°C ~+65°C -20°C ~+80°C -20°C ~+65°C -40°C ~+70°C -20°C ~+85°C -20°C ~+85°C -20°C ~+85°C -20°C ~+85°C -40°C ~+85°C -40°C ~+85°C -20°C ~ +85°C -40°C ~+85°C -40°C ~+85°C -40°C ~+85°C -40°C ~+85°C
Housing material Brass Brass Brass Stainless steel Zinc alloy Aluminum Brass Brass Aluminum Stainless steel Bronze Stainless steel Stainless steel Bronze Bronze Stainless steel Stainless steel Hard anodized aluminum Hard anodized aluminum
Potential of housing VDD(+) VDD(+) VDD(+) VDD(+) VDD(+) Insulated VDD(+) VDD(+) Insulated Insulated VDD(+) Insulated VDD(+) VDD(+) VDD(+) Insulated Insulated Insulated Insulated
Electrostatic discharge (ESD) 30KV 30KV 20KV 20KV 30KV 30KV 30KV 30KV 30KV 30KV 30KV / Arc protection 30KV 30KV 30KV 30KV 30KV 30KV 30KV
Moisture sensitivity level (MSL) Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E. Level 1 - acc to JEDEC J-STD-020E.
Wire type 3*PIN from LD 1007-26AWG 1007-26AWG / Spring 1007-26AWG 1007-26AWG / Spring 1007-26AWG 1007-26AWG / Spring 1007-26AWG / Spring 1007-26AWG 1007-26AWG 1007-26AWG / Spring 2464 2-WIRE CABLE 26 AWG 1007-26AWG 1007-26AWG 1007-26AWG Micro USB (5V) Micro USB (5V) Micro USB (5V) Micro USB (5V)
Cable length 115±15mm 115±15mm / 6.5±1mm 115±15mm 115±15mm / 4±1mm 115±15mm 115±15mm / 7±1mm 115±15mm / 6±1mm 115±15mm 115±15mm 115±15mm / 6.5±1mm 330±30mm 115±15mm 115±15mm 115±15mm
Mean time to failure (MTTF) 25°C 10000hrs 10000hrs 10000hrs 5000hrs 5000hrs 10000hrs 3000hrs 3000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs 10000hrs
Application Lab, without laser driver General purpose Focus adjustable Economic type Economic type Long range application DPPS laser DPPS laser Industrial application Industrial application Industrial application Industrial alignment Economic industrial application Economic industrial application High power Concentricity Laser Concentricity Laser Concentricity Laser Concentricity Laser
Suggestion work distance 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 1~10 meters / 3~40 feet 1~10 meters / 3~40 feet 10~500 meters / 40~2000 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 0~0.9 meters / 0~3 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 1~30 meters / 3~100 feet 0~1 meters / 0~3 feet 1~30 meters / 3~100 feet 0~1 meters / 0~3 feet 1~30 meters / 3~100 feet
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VLM-520-04

LPT

SPT

Dimensions

Ø6.55 x 28.6 mm (Ø0.258" x 1.125")

Weight

2.4g

Operating voltage (Vop)

3~6 VDC

Operating current (Iop)

Less than 150mA

Laser power output (Po)

Less than 1mW

Laser class

Class II

Wavelength (λp)

505~530nm

Collimating lens

Aspherical plastic lens

Output aperture

3mm

Beam shape

Ellipse

Spot size at 5M

Less than 4mm

Divergence (Half Angle)

0.6 mRad

Beam alignment

Less than 3°

Operating temp. range*

+10°C ~+40°C

Storage temp. range

-20°C ~+65°C

Housing material

Zinc alloy

Potential of housing**

VDD(+)

Electrostatic discharge (ESD)

20KV

Moisture sensitivity level (MSL)

Level 1 - acc to JEDEC J-STD-020E.

Connection type

1007-26AWG

Spring

Cable length

115±15mm

4±1mm

Mean time to failure (MTTF) 25°C

5000hrs

Application

Economic type

Suggestion work distance

1~10 meters / 3~40 feet

* Operation temperature: it means within this temperature range, the laser spot/line will not be affected to change the spot size/line width. It can still work over this range, but the laser spot size or laser line width will be larger.

** Laser module housing is an electrical positive surface, it is imperative that contact between the laser module and the machine be avoided. This is to prevent damage from the machine electrical leakage. Surge protected power supply to the laser module is strongly recommended.

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