What are the main types of deformable mirrors and how do they differ?

Common DM types include MEMS (micro‑electro‑mechanical systems), piezoelectric stack or bimorph mirrors, and continuous vs. segmented face sheet designs. MEMS DMs offer high actuator density, fast response, and compact size, while piezo DMs provide larger stroke and higher optical power handling; segmented mirrors consist of discrete mirror tiles allowing piston/tip/tilt per segment, whereas continuous facesheet mirrors provide smooth, global surface deformation.

What key terms such as actuator count, stroke, and influence function mean for deformable mirrors?

Actuator count is the number of individually addressable control points on the mirror and largely determines the maximum spatial frequency of aberrations that can be corrected. Stroke is the maximum peak-to-valley displacement each actuator can impart on the reflective surface, directly affecting the amplitude of aberrations the DM can compensate; the influence function describes how the motion of a single actuator affects the surrounding surface region, determining coupling between actuators and the achievable surface shapes.

Which specifications matter most when selecting a deformable mirror for my application?

Key parameters include clear aperture, actuator count and pitch, stroke (mechanical or optical), surface quality (RMS/peak-to-valley error), and closed-loop bandwidth or response time. You should also consider coating type and damage threshold for the operating wavelength and power, hysteresis and repeatability of the actuators, as well as interface options (drive electronics, control software, and supported communication protocols).

How should I compare MEMS vs piezo or bimorph deformable mirrors for my use case?

For high‑speed correction with many degrees of freedom at modest stroke (e.g., astronomical AO, microscopy, beam shaping), MEMS mirrors with hundreds to thousands of actuators and kHz bandwidth are usually preferred. For applications requiring larger wavefront corrections, higher optical power, or operation over wider apertures (e.g., high‑power laser beam cleanup), piezo or bimorph mirrors with lower actuator density but larger stroke and higher load capacity are often more suitable.

What are typical lead times, customization options, and pricing drivers for deformable mirrors?

Standard catalog DMs with common apertures and actuator counts often have lead times of 4–10 weeks, while custom designs involving nonstandard apertures, coatings, actuator layouts, or integrated wavefront sensors can extend to several months. Pricing is mainly driven by actuator count, stroke, aperture size, coating and power-handling requirements, as well as the inclusion of drivers, control electronics, and software; OEM and volume orders may enable cost optimization through simplified packaging or standardized interfaces.

How can I find, compare, and request quotes for deformable mirrors on FindLight without registering?

On FindLight, you can navigate to Optical Systems → Adaptive Optics → Deformable Mirrors, then filter listings by aperture size, actuator count, technology (MEMS, piezo, bimorph), wavelength range, and other specs directly on the category page. You can open individual product pages to compare datasheets side by side and use the built-in “Request Quote” or “Contact Supplier” forms to send technical requirements and RFQs to multiple vendors without creating an account.

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Deformable Mirrors

Deformable Mirrors for Adaptive Optics and Beam Control

mu-DM Versatile Electromagnetic Deformable Mirror

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Sold by: Imagine Optic Ships from: France

Specifications
Number Of Actuators:	91
Wavefront Tip-Tilt Stroke (PtV):	40 um
Actuator Pitch:	10 um
Pupil Size (Clear Aperture):	15 mm
Surface Quality (RMS):	7 nm

ILAO STAR Deformable Mirror - Advanced Actuator Technology for Ultra-Intense Lasers

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Sold by: Imagine Optic Ships from: France

Specifications
Number Of Actuators:	52
Wavefront Tip-Tilt Stroke (PtV):	3 um
Actuator Pitch:	50 um
Pupil Size (Clear Aperture):	170 mm
Surface Quality (RMS):	10 nm

Did You Know?

Adaptive optics is the most revolutionary technological breakthrough in astronomy since Galileo’s exploration of the skies 400 years ago. Modern adaptive optics are Micro-Electro-Mechanical (MEM) devices and may contain over 1000 individual little mirrors that can each piston to a different position with the aid of mechanical actuators. These devices can change their shape 1000’s of times a second. In astronomy they allow for distortion correction of starlight that travels millions of light years across the vacuum of space only to get distorted by our atmosphere in the last 150 miles before reaching Earth.

Related Resources

Frequently Asked Questions

A deformable mirror (DM) is an optical element whose surface shape can be actively controlled in real time to correct wavefront distortions in an optical system. It typically consists of a reflective face sheet mechanically coupled to an array of actuators; driving voltages applied to these actuators locally deform the surface to compensate aberrations measured by a wavefront sensor.

What Are Deformable Mirrors?

Deformable Mirrors are active optical components whose surface shape can be precisely controlled to correct wavefront distortions. In adaptive optics systems, a Deformable Mirror adjusts its reflective surface in real time using arrays of actuators to compensate for aberrations introduced by turbulence, optical elements, or sample inhomogeneity.

Depending on design, Deformable Mirrors may be based on MEMS micromirrors, piezoelectric stacks, or bimorph substrates. Each actuator locally deforms the mirror surface by nanometers to micrometers, enabling fine control of phase and focus across the beam aperture.

Typical Specifications and Use Cases

When sourcing Deformable Mirrors on FindLight, you will typically compare parameters such as:

Aperture size: Clear aperture from a few millimeters up to several centimeters.
Actuator count and layout: From tens to several hundred actuators, in square or hexagonal grids.
Stroke and resolution: Peak-to-valley stroke (e.g., 1–10 μm or more) and minimum incremental motion.
Response time and bandwidth: Microsecond to millisecond response for high-speed adaptive optics loops.
Surface quality: RMS surface error, flatness, and residual wavefront error.
Reflective coating: Protected aluminum, silver, or dielectric coatings optimized for UV, visible, or IR bands.
Interface and control: Analog or digital drivers, software APIs, and supported feedback sensors.

Deformable Mirrors are deployed in astronomical adaptive optics, free-space optical communications, high-power laser beam shaping, microscopy (confocal and multi-photon), retinal imaging, and laser material processing. The ability to actively control the wavefront improves focus, Strehl ratio, coupling efficiency into fibers, and image contrast.

Buyer Guidance on FindLight

Use FindLight to compare Deformable Mirrors by actuator density, stroke, aperture, and compatible wavelength range relative to your system requirements. Check environmental limits, maximum incident power, and integration options with existing wavefront sensors and control electronics.

For precise pricing and configuration details, request quotes directly from manufacturers and distributors of Deformable Mirrors listed on this page. No registration is required to contact suppliers or to evaluate multiple options side by side, helping you converge quickly on a design that meets your optical performance and budget constraints.