Gallium Selenide Crystal | GaSe Crystal

Data sheet

Density	5.03 g/cm³
Molecular Formula	GaSe

More info

Gallium Selenide (GaSe) Crystal is a highly effective nonlinear optical single crystal suitable for frequency doubling in the mid-infrared range. With a large nonlinear coefficient, high damage threshold, and a broad transparency range, GaSe has shown excellent performance in applications within the 6.0 µm to 12.0 µm wavelength range. It has been successfully applied across multiple fields, demonstrating its versatility and efficiency in nonlinear optical processes. Heeger Materials offers high-quality Gallium Selenide (GaSe) crystals for advanced applications and also provides GaSe Powder and GaSe Evaporation Material to meet your diverse needs.

Gallium Selenide Crystal | GaSe Crystal

Gallium Selenide Crystal Properties

Chemical formula	GaSe
Crystal structure	Hexagonal, -62m
Lattice parameters	a = 3.742 Å, c = 15.918 Å
Optical symmetry	Negative uniaxial (n₀ > nₑ)
Density	5.03 g/cm³
Mohs hardness	≈ 0
Transparency range	0.62-20 μm @ "0" transmittance level
Sellmeier equations	n₀² = 7.443 + 0.4050/λ² + 0.0186/λ⁴ + 0.0061/λ⁶ + 3.1485 λ²/(λ² - 2194) nₑ² = 5.76 + 0.3879/λ² - 0.2288/λ⁴ + 0.1223/λ⁶ + 1.8550 λ²/(λ² - 1780)
Refractive indices	n₀ = 2.8158; nₑ = 2.4392 @ 10.6 μm

Gallium Selenide Crystal Specifications

Clear aperture	⌀5 mm or custom
Surface quality	Cleaved surfaces
Coatings	Uncoated, unavailable
Mount	⌀25.4 mm black anodized aluminum mount

Gallium Selenide Crystal Stock Specifications

Model	Clear Aperture (mm)	Thickness (µm)	Mount (mm)
GaSe-10H1	Ø7	10	Ø25.4
GaSe-30H1	Ø7	30	Ø25.4
GaSe-100H1	Ø7	100	Ø25.4
GaSe-500H1	Ø7	500	Ø25.4
GaSe-1000H1	Ø7	1000	Ø25.4
GaSe-2000H1	Ø7	2000	Ø25.4

Gallium Selenide Crystal Key Features

Wide transmission range from 0.65 μm to 18 μm
Strong nonlinearity and birefringence
Soft material, cleaved along the [001] plane
Cannot be cut and polished at specific angles
Uncoated, mounted in a frame for easy handling

Gallium Selenide Crystal Applications

Mid-Infrared Frequency Doubling: Employed for efficient frequency doubling of CO₂, CO, and chemical DF lasers, achieving high conversion rates (e.g., 9% for CO₂ lasers).
Optical Parametric Generation (OPG): Utilized to generate tunable mid-infrared light in the 3.5–18 µm range for spectroscopy and sensing applications.
Terahertz (THz) Generation: Applied in optical rectification to produce THz radiation for imaging, spectroscopy, and communication systems.
Up-Conversion to Visible Light: Used to convert CO and CO₂ laser radiation into the visible range for advanced optical applications.
THz Time-Domain Spectroscopy (THz-TDS): Integrated into THz detectors for high-resolution time-domain spectroscopy and material analysis.

Gallium Selenide Crystal Packing And Shipping

Gallium Selenide (GaSe) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.

Where to Buy Gallium Selenide Crystal in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Nonlinear Crystals products including Gallium Selenide (GaSe) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

Inquiry to Heeger Materials

Items marked with an asterisk (*) are required.

Privacy Information:

Heeger Materials respects your privacy, and we will NOT sell or provide your personal data to other third parties, or allow them to use your personal data for their own purposes. However, we would like to send you information from time to time by mail or email about our products and special offers in addition to the interest categories you've selected above. Read our Privacy Policy