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Deformable Mirrors |
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DEM
410 |
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DEM 441 |
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DEM
460 |
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One-channel
deformable mirror for
middle-power
laser
engineering |
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Intention |
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Real-time
controlling curvature radius of reflective
surface
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Dynamic
alignment of optical systems and dynamic laser
beam focusing
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Real-time
compensation of thermal blooming of
laser beams
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Real-time
control of laser radiation divergence
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Q-switching
of laser cavities
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Real-time
control of lasers' output power
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Real-time
stabilization and controlling of optical system
parameters: focal length, size and
position of focal spot, etc.
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Application Fields |
- Optical
systems of middle-power laser machines (up to
10 kW)
- Laser technologies:
cutting, welding, drilling and piercing,
soldering, marking and graving,
scribing, surface
hardening and melting, etc.
- Laser isotope
separation
- Cavities of
middle-power
lasers
(up to 10 kW)
- Design of
novel controllable
lasers and laser machines for industry and
medicine including surgery, stomatology, etc.
- Experimental
laser systems for scientific researches
- Design of
novel
optoelectronical devices and systems based on
deformable mirrors
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Material |
Mo |
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Reflective coating1) |
Cu |
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Protective coating2) |
SiO2 |
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Working
wave length |
10.6 µm |
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Light
zone diameter3) |
40 mm |
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Initial
shape of optical surface4)
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flat |
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Flatness
of initial
optical surface (l=632.8 nm) PWR PV-PWR |
≤ l/2
≤ l/4 |
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Surface
quality |
60/40
scratch/dig |
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Regular reflectance |
≥ 0.988 |
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Control
voltage |
-200
V ... +300 V |
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Control
spherical deformations of reflective
surface (PV) under control
voltage of -200
V
+300
V |
-9.0
µm (concave)
+13.5
µm (convex) |
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Curvature
radius
of
reflective
surface under control
voltage of
-200
В
+300
В |
-22.2
m
(concave)
+14.8
m
(convex) |
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Capacitance
of control electrode |
280
nF |
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Electromechanical
hysteresis |
≤
15
% |
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Basic
resonance frequency |
4.7
kHz |
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Coolant
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water, ethanol
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Coolant
expenditure
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0.5 - 1 l/min
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Maximum power
of incident radiation |
10 kW |
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Weight |
≤
0.35 kg |
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Operational
temperature |
0о
... +45о
С |
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Overall
dimensions:
diameter
height
(including unions
of cooling system)
diameter
of unions
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70
mm
39
mm
7
mm |
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Electronic
control unit |
ECU
52 |
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1)DEM 441
deformable mirrors with other reflective
coatings (Ag, Au, multilayer dielectric, etc.)
are available by special order.
2)DEM 441
deformable mirrors with other protective
coatings (Al2O3,
HfO2, etc.) are available by special
order.
3)DEM 441
deformable mirrors with other light zones (ellipse,
ring, rectangle, etc.) are available by special
order.
4)DEM 441
deformable mirrors with spherical concave or
convex initial shape of optical surface
are available by special order. |
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Basic Advantages |
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High-quality
optical materials and coatings
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Any
spectral range
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High-quality
piezoceramics
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High
optical quality, thermal stability and reliability
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Increased
control deformations of reflective surface
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Wide
frequency range
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Low
electromechanical hysteresis
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Possibility
of manual and computer control
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Perfect
design
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Simple
to operate, control and service
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Additional Information |
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V.V. Agafonov and A.G.
Safronov
Efficiency
of objectives with deformable mirrors. 1.
Controlling the focal length and the position of
the focal spot. |
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A.G. Safronov, B.
Tobke and P. Helms
Controlling
the parameters of laser technologies by means of
deformable mirrors. |
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B.S. Vinevich, L.N. Evdokimovich, A.G. Safronov, S.N.
Smirnov
Deformable
mirrors applications into technological CO2-lasers:
2. Intracavity power control and pulse-periodic
modulation of output radiation. |
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V.V. Agafonov, A.G.
Safronov
Controllable
objective with deformable mirrors. |
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O.B. Vyskubenko,
P.I. Kapustin, I.S. Kolokolov, V.I. Masychev,
A.G. Safronov
Application
of deformable mirrors in industrial CO2
lasers.
I. A mirror with a controllable curvature of the
reflecting surface. |
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B.S.
Vinevich, V.M.
Zharikov,
A.G. Safronov
Cooled
and uncooled single-channel deformable mirrors
for industrial laser systems. |
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Andrey G.
Safronov
Bimorph
adaptive optics: elements, technology and design
principles. |
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A.G.
Safronov
Single-channel
adaptive mirrors for laser optics. |
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A.
V. Ikramov, I. M. Roshchupkin, A. G.
Safronov
Cooled
bimorph adaptive mirrors for laser optics. |
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Andrej
V. Ikramov, I. M. Roshchupkin, Andrey G.
Safronov
Investigations
of the bimorph piezoelectric mirrors for use in
astronomical
telescopes. |
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A.V.
Ikramov, S.V. Romanov, I. M. Roshchupkin, A.G.
Safronov, and A. O. Sulimov
Bimorph
adaptive mirror. |
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