Suppliers of spatial light modulators

Leading manufacturers of spatial light modulators include Hamamatsu Photonics, Meadowlark Optics, Fraunhofer IPMS, and HOLOEYE Photonics AG, offering LCOS, DMD, and micromirror-based SLM technologies.

Overview of SLM Manufacturers

Hamamatsu Photonics produces reflective LCOS-based SLMs capable of precise phase modulation, suitable for applications such as wavefront control, super-resolution microscopy, optical beam photolithography, and projection imaging . Meadowlark Optics Inc. specializes in both standard and custom polarization control components, including LC devices and SLMs. Their products are used in optogenetics, aerospace, defense, medical imaging, semiconductor inspection, and astronomy . Fraunhofer IPMS develops micromirror-based SLMs with high pixel counts and advanced actuator functions, including single-axis tilt, dual-axis tilt, and piston mirrors. These SLMs are applied in optical microlithography, adaptive optics, holography, display technologies, and quantum computing . HOLOEYE Photonics AG offers highly customizable SLMs, LCOS microdisplay components, and diffractive optical elements. Their solutions support industrial integration, R&D, and applications requiring phase modulation, monochrome or color projection, and high-speed operation .

Key Technologies

• LCOS (Liquid Crystal on Silicon): Preferred for precise phase modulation and holography.
• DMD (Digital Micromirror Device): High-speed binary amplitude modulation, often used in laser beam shaping and projection.
• MEMS Micromirrors: Enable analog or quasi-continuous deflection for adaptive optics, high-resolution metrology, and dynamic beam shaping.

Applications

SLMs are widely used in:

• Adaptive optics: Correcting wavefront aberrations in microscopy, retinal imaging, and free-space optical communications.
• Holography and 3D displays: Generating computer-generated holograms and volumetric images.
• Laser beam shaping: Creating flat-top beams or complex modes for material processing.
• Optical tweezers and particle manipulation: Controlling multiple trap sites in 3D.
• Pulse shaping: Modifying spectral phase and amplitude of ultrashort laser pulses. These manufacturers provide both standard and custom solutions, with options for single-unit proof-of-concept or volume production, depending on industrial or research requirements . For a comprehensive list of SLM suppliers, directories such as GoPhotonics and RP Photonics Buyer's Guide provide detailed company profiles, product types, and contact information .