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Home » Products » Laser Mirrors » Reflective Laser Mirrors » 19/19.05/20/25/25.4/27/30/38.1/50.8mm Si Reflective Laser Mirror
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19/19.05/20/25/25.4/27/30/38.1/50.8mm Si Reflective Laser Mirror

  • JH
  • China
  • T/T
  • FOB
  • 30 Days
  • c192
  • Customized
  • Standard Component
  • Laser Power Supply
  • 38.1mm 6mm
  • 4000
  • Ocean,Land,Air
  • 4000

Reflect mirror is one of the most important elements in light transmission system, it can be used as tail mirror and folding mirror in laser cavities, outside the cavities, it plays the role of light-bent machine. Mirrors can be made by various materials.

Silicon is used most as the material of mirror, its reflectivity achieve 98% and with stable thermal properties. With gold plated and protection film on the silicon mirror, the surface is difficult to be damaged, it also enhance the reflectivity and durable. The gold-plated silicon mirror can stand high –power irradiancy.


Requirements for conventional processing of reflective mirror

Base material:

Si

Form tolerance:

+0.0/-0.1mm

Thickness tolerance:

±0.1mm

Type:

λ/4 632.8nm

Finish:

S1:40-20,S2:Sperm membrane

Parallelism:

<1'

Effective aperture:

>90%

The down side:

<0.2×45°

Coating:

High reverse coating


mirror

Mode

Diameter

Thickness

Incidence angle

Base material

Coating

mm

inch

mm

inch

JH-12-2

12

0.47

2

0.08

45

Si

Gold protective film

JH-12.7-2

12.7

0.50

2

0.08

45

Si

Gold protective film

JH-13-2

13

0.51

2

0.08

45

Si

Gold protective film

JH-15-2

15

0.59

2

0.08

45

Si

Gold protective film

JH-15-3

15

0.59

3

0.12

45

Si

Gold protective film

JH-16-2

16

0.63

2

0.08

45

Si

Gold protective film

JH-16-3

16

0.63

3

0.12

45

Si

Gold protective film

JH-19-3

19

0.75

3

0.12

45

Si

Gold protective film

JH-20-3

20

0.79

3

0.12

45

Si

Gold protective film

JH-25-3

25

0.98

3

0.12

45

Si

Gold protective film

JH-25.4-3

25.4

1.00

3

0.12

45

Si

Gold protective film

JH-30-3

30

1.18

3

0.12

45

Si

Gold protective film

JH-38.1-4

38.1

1.50

4

0.16

45

Si

Gold protective film

JH-38.1-5

38.1

1.50

5

0.20

45

Si

Gold protective film

JH-38.1-6

38.1

1.50

6

0.24

45

Si

Gold protective film

JH-38.1-9

38.1

1.50

9

0.35

45

Si

Gold protective film

JH-50-5

50

1.97

5

0.20

45

Si

Gold protective film

JH-50.8-5

50.8

2.00

5

0.20

45

Si

Gold protective film

JH-50.8-6

50.8

2.00

6

0.24

45

Si

Gold protective film

JH-50.8-9

50.8

2.00

9

0.35

45

Si

Gold protective film

JH-50.8-10

50.8

2.00

10

0.39

45

Si

Gold protective film


JH laser company can supply Laser Focus Lens and reflective mirror with material Znse, Mo, Si, K9 etc. With Co2 Laser Tube, it combine a whole laser system of co2 laser marking machine, Laser Cutting Machine, desk top laser, Laser Carving Machine, which can quiclky cutting leather clothing, shoe bags, plush toys, bamboo crafts, computer embroidery, cloth cutting, trademark processing, packaging and printing, laser cutter, advertisement decoration, organic glass, PU leather, shell horn, wood, acrylic cutting, 000 tiles.

Reflective laser mirrors

1. Usually a complete beam path outside the Laser Tube requires three reflective mirror and a focus lens.
Laser will loss when it travels, so the 
Laser Machine need a higher reflectivity mirror.
2. Specifications:
Material: Gold-Plated Silicon
Diameter: 19.05 / 20 / 25 / 30 / 38.1mm
Thickness: 3mm (Dia.38.1mm Thk.5mm)
Good Reflectivity. The Reflectivity of Cloudray Mirrors Can Reach to 99.5%.
Gold-Plated Coating Film, More Durable.
Can Withstand 200 Watt Laser Power.
3. Silicon and Molybdenum is the main material of 
Reflect Mirror. The molybdenum mirror does not need coating film, which is able to work in harsh environments.
4. Silicon reflective mirror is coated with gold film to improve the reflectivity of the mirror and the efficiency of the cutting machine.
5. For Molybdenum mirror, there is no coating on the surface, but the reflection is low, maybe 80%.

For silicon mirror, it is coated with dielectric or golden film. Golden mirror is better than Mo mirror, as the reflection is higher.



1. Installation Requirement

Make sure to follow the operation instruction of JH Laser Tube as shown in the illustration. The dedicated power P14 should be equipped. The positive pole of laser tube is in high voltage (the ignition voltage is 24kv). It may cause the following consequence when it is failed to follow the instruction: Arcing; the inner tube will be punctured by electricity and may cause water leakage.

2. Operation conditions

Water cooling: using purified water; 3 to 5 liter/minute; water temperature: 10℃-40℃.

The operating environment: temperature 2-40℃; humidity 10-60%.

The working current: test current is 30mA. Maximum working current is 30mA. The running current must be kept below 28mA. The life span can reach 10,000 hours if the current is kept below 26mA. The ammeter must be connected to the negative electrode of laser tube.

When it is working under over-high current for long term, the negative pole will appear brown yellow, and the life span will be shortened rapidly.

To protect dust from going into the insulation sheath, please wrap it with plastic film.

3. Working Performance

Cutting function.

Engraving function: Very good. When the working current is 4mA and the tube is in the state of preionization, the laser can be used for high-frequency impulse engraving.

4. Key Notes

Do not clean the exterior surface of the output widow mirror with tools such as tampon; otherwise the output power will be seriously affected. The followings are the designated methods to clean up pollution in the exterior surface of window mirror:

1) When the mirror is polluted, do not turn on the laser.

2) Blow the mirror surface sideways with an air blower.

3) Spray the pure alcohol on the mirror surface with sprayer.

4) Turn on the laser after the alcohol gets fully volatilized.

5) If the methods above don't work effectively, it is necessary to ask for the professional to use tampon with alcohol to clean the mirror surface from middle to edge. The best solution is to prevent the window from being polluted.

Attention: it is forbidden to clean the mirror with acetone.

The screws in the front and back ends of the laser tube are not allowed to be moved, otherwise the out power will be declined, even the tube will be scrapped.

Put the acryl 300mm far away from output mirror, when testing its laser spot.

5. Safety

The laser beam is invisible light. Please wear protective glasses when debugging the laser. The positive pole is in high voltage. Pay attention to the security marks.

6. Storage and Transportation Requirement

Pour out cooling fluid in the event of storage and transportation, and cover the output terminal with a dust-proof plastic bag. The storage environment is 2-40℃, and the requested humidity is 10-60%. Pack the laser as in the original way.

Important notes: it is requested to use adhesive tape to cement the sponge together with laser tube to prevent the tube from vertically sliding during transportation. The sponge in the side of output mirror must be 70 mm beyond it, and the sponge in the side of reflecting mirror must be 50 mm wider.

Tubes operated in wrong way are not guaranteed by Manufacturer.

  If you have any question, please feel free to contact us! 

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