Introduction to
lasers
The basic structure of any laser is based on
an active medium ( gas or semiconductors)
contained between two reflectors. A laser's
reflectors oscillate light back and forth
through the medium many times, allowing
energy to build up with each pass. This
laser radiation escapes due to a partially
reflecting mirror in the assembly. Laser
light can be used for a variety of
applications.
The laser wavelength often used:
Violet Lasers (404nm),
Blue Lasers (475nm),
Green Lasers (532nm), Red
Lasers(633,635,670nm)
Infrared Lasers (780-1600nm)
|
Laser Grade Optical
Substrate |
Specification |
- Fused Silica or BK7
- Single or double
surface polish
- Super-polish minimizes
subsurface damage
for high power laser
used
¡¡ |
Laser components require highly
polished substrates as well as high
performance coatings. Scattering of laser
light, or worse, laser damage can occur if
the substrate is made of inferior material
or if it is inadequately polished . Although
our coatings may be applied to wide Variety
of substrate, we offer a popular selection
of laser grade optical substrate.
Substrate flatness: ¦Ë/10
Thickness: ¡À0.1mm
Surface Quality: 10-5
Bevel: 0.2mm ¦¶ 45¡ã
Diameter: +0.0 , - 0.1mm
Parallelism: ¡À3
arcmin
Material: Fused Silica, BK7 grade A.
Apertures: >90% diameter
¡¡ |
| Diameter(inch) |
Diameter(mm) |
Thickness(mm) |
|
0.39 |
10 |
5.0 |
|
0.50 |
12.7 |
5.0 |
|
0.59 |
15 |
5.0 |
|
0.75 |
19.1 |
5.0 |
|
1.00 |
25.4 |
5.0 |
|
1.50 |
38.1 |
6.0 |
|
2.00 |
50.8 |
8.0 |
|
Note:
we also provide Laser grade windows substrate, the both
surfaces laser grade polish.
¡¡ |
|
Laser Mirror
(a) High laser line reflectance in the UV,
visible, and
IR.
(b) Using laser grade substrate.
(c) Multilayer dielectric coatings provide
optimized
(d) performance at stated wavelengths
(e) For use at 45¡ã incidence. |
 |
T(532nm)>96% and
R(1064nm)>99.8%
(see right curve)
We also provide other laser coatings like this.
please contact with us! |
 |
|
Laser damage threshold: 5J/cm2 1ns pulse, 1064 |
|
Other
laser optical coatings are available
please call ! |
|
