The Global Gallium Selenide (GaSe) Crystals Market was valued at USD 18.7 Million in 2024 and is projected to reach USD 29.3 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period (2024–2030). This significant growth is fueled by the increasing demand for high-performance nonlinear optical materials, advancements in terahertz technology, and the expanding applications in infrared spectroscopy and frequency conversion across defense, research, and telecommunications sectors.

As industries push the boundaries of photonics and optoelectronics, the focus sharpens on the specialized material suppliers enabling these technological leaps. In this blog, we profile the Top 10 Companies in the Gallium Selenide (GaSe) Crystals Industry—a group of specialized manufacturers and innovators crafting the crystalline foundation for next-generation optical systems.

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🔟 1. 3photon

Headquarters: Sofia, Bulgaria
Key Offering: High-purity GaSe Crystals, Custom Optical Elements

3photon is a leading European supplier specializing in high-quality nonlinear optical crystals, including GaSe. The company serves research institutions and industrial clients with crystals optimized for applications in ultrafast laser systems, optical parametric oscillators (OPOs), and terahertz generation. Their expertise lies in crystal growth with exceptional homogeneity and low absorption coefficients.

Innovation Focus:

• Advanced Bridgman-Stockbarger crystal growth techniques
• Custom fabrication of GaSe wafers and prisms
• R&D in engineered GaSe structures for enhanced nonlinear efficiency

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9️⃣ 2. 4Lasers

Headquarters: Kaunas, Lithuania
Key Offering: GaSe Crystals, Optical Components, Laser Systems Integration

4Lasers provides a range of optical materials and components, with GaSe crystals being a key part of their portfolio for mid-infrared and terahertz applications. The company supports clients from material selection to integrated system design, offering technical support for nonlinear frequency conversion setups.

Innovation Focus:

• Integration of GaSe crystals into turnkey laser systems
• Development of anti-reflective coatings for GaSe substrates
• Collaborations with academic partners on novel photonic applications

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Gallium Selenide (GaSe) Crystals Market – View in Detailed Research Report

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8️⃣ 3. Del Mar Photonics

Headquarters: San Diego, California, USA
Key Offering: GaSe Crystals, THz Systems, Ultrafast Lasers

Del Mar Photonics is a prominent U.S.-based company offering optoelectronic components and systems. Their GaSe crystals are widely used for terahertz wave generation and detection, catering to the aerospace, security screening, and scientific research markets. The company provides both standard and custom-oriented GaSe crystals.

Innovation Focus:

• Terahertz time-domain spectroscopy systems featuring GaSe
• Precision polishing and dicing services for fragile GaSe crystals
• Application support for nonlinear optical experiments

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7️⃣ 4. Miracrys LLC

Headquarters: Nizhny Novgorod, Russia
Key Offering: GaSe Crystals, A2B6 Semiconductors, Crystal Growth Services

Miracrys LLC specializes in the production of A2B6 group semiconductor crystals, with GaSe as a core product. The company leverages strong material science expertise to produce crystals with tailored properties for specific optical and electronic applications, serving a global clientele primarily in the research sector.

Innovation Focus:

• Controlled defect engineering in GaSe crystals
• Development of large-diameter GaSe boules
• Research on GaSe-based photodetectors

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6️⃣ 5. SixCarbon Technology

Headquarters: Shenzhen, China
Key Offering: 2D Materials (including GaSe flakes), Crystal Samples, R&D Kits

SixCarbon Technology focuses on the supply of two-dimensional materials, offering bulk GaSe crystals and exfoliated flakes for fundamental research and device prototyping. The company is pivotal in supplying the materials science community with high-purity GaSe for exploring its unique layer-dependent optical properties.

Innovation Focus:

• Supply of monolayer and few-layer GaSe flakes
• Development of van der Waals heterostructures incorporating GaSe
• Support for academic research in 2D material photonics

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5️⃣ 6. MTI Corporation

Headquarters: Richmond, California, USA
Key Offering: GaSe Crystals, Battery Research Equipment, Laboratory Supplies

MTI Corporation is a global supplier of materials and equipment for research and development. Their catalog includes high-quality GaSe crystals used in academic and industrial laboratories for nonlinear optics, spectroscopy, and material science studies. MTI’s strength lies in its extensive distribution network and reliable supply chain.

Innovation Focus:

• Global logistics for sensitive crystalline materials
• Provision of complementary laboratory equipment for crystal characterization
• Educational resources and technical data sheets for researchers

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4️⃣ 7. TOPAG Lasertechnik

Headquarters: Darmstadt, Germany
Key Offering: GaSe Crystals, CO2 Laser Optics, Infrared Components

TOPAG Lasertechnik is a German company with a strong focus on optics for high-power infrared lasers. They offer precision-fabricated GaSe crystals primarily for frequency conversion applications with CO2 lasers, serving industrial marking, medical, and scientific markets with an emphasis on durability and performance.

Innovation Focus:

• Optimization of GaSe for high-power laser operation
• Development of ruggedized optical mounts for GaSe elements
• Expertise in coating technologies for the infrared spectrum

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Gallium Selenide (GaSe) Crystals Market – View in Detailed Research Report

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3️⃣ 8. ALB Materials Inc.

Headquarters: Zhejiang, China
Key Offering: High-Purity GaSe, Evaporation Sources, Sputtering Targets

ALB Materials Inc. is a global supplier of high-purity metals, alloys, and crystalline materials. They provide GaSe crystals and powders for both optical applications and as precursor materials for thin-film deposition processes. Their capability to supply large volumes makes them a key player for industrial-scale applications.

Innovation Focus:

• Production of 5N (99.999%) and higher purity GaSe
• Manufacturing of GaSe sputtering targets for thin-film growth
• Quality control for batch-to-batch consistency

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2️⃣ 9. Stanford Advanced Materials (SAM)

Headquarters: Lake Forest, California, USA
Key Offering: GaSe Crystals, Sputtering Targets, Advanced Material Solutions

Stanford Advanced Materials supplies high-purity GaSe crystals to a diverse customer base spanning academia, defense, and high-tech industries. SAM is recognized for its rigorous quality standards and ability to provide custom material specifications, including specific crystallographic orientations and doping profiles.

Innovation Focus:

• Custom doping of GaSe for tailored electronic properties
• Production of oriented single crystals for device fabrication
• Development of GaSe-based composite materials

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1️⃣ 10. American Elements

Headquarters: Los Angeles, California, USA
Key Offering: GaSe Crystals, Nanomaterials, Engineered Powders

American Elements is a large-scale manufacturer and global supplier of engineered and advanced materials. Their product line includes gallium selenide in various forms, from bulk single crystals to nano-powders. The company’s extensive infrastructure supports both small-scale research orders and large-volume industrial contracts.

Innovation Focus:

• Nanoscale GaSe powders for novel applications
• Research into GaSe quantum dots and other low-dimensional forms
• Development of safe handling and storage protocols for selenium-containing compounds

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Gallium Selenide (GaSe) Crystals Market – View in Detailed Research Report

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🔬 Outlook: The Future of GaSe Crystals Is Integrated and Multifunctional

The GaSe crystals market is evolving from supplying bulk optical materials toward enabling integrated photonic systems. While traditional optical applications remain vital, the industry is investing in developing hybrid and nanostructured materials, precision fabrication techniques, and new doping strategies to unlock novel functionalities.

📈 Key Trends Shaping the Market:

• Growing integration of GaSe into on-chip photonic circuits
• Rising demand for tunable terahertz sources in security and medical imaging
• Advancements in wafer-scale production of 2D GaSe layers
• Increasing research into GaSe for valleytronics and spintronics applications

Read Full Report:
Gallium Selenide (GaSe) Crystals Market – View in Detailed Research Report

The companies listed above are not only supplying a critical material—they are enabling the photonic revolution that will define the next decade of technological advancement.