Nonlinear Crystals

BaGa2GeSe6 (BGGSe) Crystal: Advanced Nonlinear Optical Material for Ultrafast Mid-IR Pulse Generation

BaGa2GeSe6 (BGGSe) Crystal: Advanced Nonlinear Optical Material for Ultrafast Mid-IR Pulse Generation

In 2016, for the first time in the world, a new nonlinear crystal of high optical quality BaGa2GeSe6 was obtained, which has nonlinearity coefficients d11 = 23.6, d22 = 18.5, d31 = 18.3 pm/V. Transmission range ...

Sold by: Entrepreneur Badikov D.V. Ships from: Russia
Specifications
Crystal Type: N/A
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Width: 10 mm
Height: 10 mm
AgGaS2 Negative Uniaxial Crystal

AgGaS2 Negative Uniaxial Crystal

AgGaS2 is a negative uniaxial crystal: no > ne. The symmetry class is tetragonal D2d, spatial group D2 d12. The transparency range is 0.47–12.5 microns. The nonlinear coefficient d36 = 12.5 pm/V. ...

Sold by: Entrepreneur Badikov D.V. Ships from: Russia
Specifications
Crystal Type: AgGaS2 (Silver Gallium Sulfide)
Phase Mathcing Type: Not Applicable
Mounting: N/A
Width: 12 mm
Height: 12 mm
PPLN/PPLT Crystal for Nonlinear Frequency Mixing

PPLN/PPLT Crystal for Nonlinear Frequency Mixing

Focusing on nonlinear frequency mixing, HCP develops PPMgO:LN bulk chips and PPMgO:LN waveguide chips on the basis of Periodically Poled Lithium Niobate (LiNbO3), Lithium Tantalate (LiTaO3), MgO:PPLN (5mol.%), and ...

Sold by: HC Photonics Corp. Ships from: Taiwan
Specifications
Crystal Type: LiNbO3 (Lithium Niobate), LT (LiTaO3)
Phase Mathcing Type: Type I, Type II
Mounting: Mounted, Unmounted
Width: 0.1 mm
Height: 0.1 mm
LBO Crystals with Low Absorption

LBO Crystals with Low Absorption

The LBO Crystal, or Lithium Triborate (LiB3O5), is a highly esteemed nonlinear optical crystal known for its exceptional properties. With a wide transparency range spanning from 210 nm to 2300 nm, LBO crystals are ...

Sold by: Lasertec Inc Ships from: China
Specifications
Crystal Type: LBO (Lithium Triborate)
Phase Mathcing Type: Type II
Mounting: Unmounted
Width: 30 mm
Height: 40 mm
BaGa2GeSe6 Nonlinear Crystal

BaGa2GeSe6 Nonlinear Crystal

This is a BaGa2GeSe6 Nonlinear Crystal. It has a nonlinear coefficients of d11 = +23,6, d22 = -18,5, d31 = +18,3 pm/W. Transmission range is 0,522–18 um, The width of the forbidden range is 2.38 eV, ...

Sold by: Entrepreneur Badikov D.V. Ships from: Russia
Specifications
Crystal Type: N/A
Phase Mathcing Type: Type II
Mounting: Unmounted
Width: 10 mm
Height: 10 mm
HgGa2S4 Nonlinear Crystal

HgGa2S4 Nonlinear Crystal

HgGa2S4 is a negative single axis crystal: no>ne, tetragonal syngony. The transparency region of this crystal is between 0.5 and 13.  Nonlinear coefficient is 26.8 pm/W. Birefringence ne-no = -0.053. Thermal ...

Sold by: Entrepreneur Badikov D.V. Ships from: Russia
Specifications
Crystal Type: N/A
Phase Mathcing Type: Type II
Mounting: Unmounted
Width: 8 mm
Height: 8 mm
KDP/DKDP (KD*P) Crystals

KDP/DKDP (KD*P) Crystals

Potassium Dihydrogen Phosphate (KDP) and Potassium Deuterium Phosphate (DKDP) are among the most widely-used commercial nonlinear optical (NLO) crystals, recognized for their exceptional frequency conversion and ...

Specifications
Crystal Type: KD*P (Potassium Dideuterium Phosphate)
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Width: 100 mm
Height: 100 mm
LiIO3 Crystal

LiIO3 Crystal

The LiIO₃ (Lithium Iodate) nonlinear crystal is a negative uniaxial crystal renowned for its high nonlinear optical coefficient, broad transparency range (280–4000 nm), and resistance to radiation damage. These ...

Specifications
Crystal Type: LiIO3 (Lithium Iodate)
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Width: 3 mm
Height: 2 mm
AgGaS2 Crystal

AgGaS2 Crystal

AgGaS2(AGS) crystal is transparent from 0.50 to 13.2 um. AGS crytal\'s high short wavelength transparency edging at 550nm is made use od in OPOs pumped by Nd:YAG laser; in numerous difference frequenty mixing ...

Sold by: BoJen Optics, Inc. Ships from: China
Specifications
Crystal Type: AgGaS2 (Silver Gallium Sulfide)
Phase Mathcing Type: Type I
Mounting: Unmounted
Width: 5 mm
Height: 5 mm
AgGaSe2 Crystal

AgGaSe2 Crystal

AgGaSe2(AGSe) crystals have band edges at 0.73um and 18um. Its applicable transmission range 0.9-16um and wide phase matching capability provide excellent potential for OPO application when pumped by a variety of ...

Sold by: BoJen Optics, Inc. Ships from: China
Specifications
Crystal Type: AgGaSe2 (Silver Gallium Selenide)
Phase Mathcing Type: Type I
Mounting: Unmounted
Width: 8 mm
Height: 8 mm
KTA Crystal for Laser Ranging and Mid IR OPO Applications

KTA Crystal for Laser Ranging and Mid IR OPO Applications

CRYSTECH Inc., based in Qingdao, China, is renowned for its cutting-edge optical products. Located on Xianshan East Rd. in the Chengyang District, CRYSTECH Inc. has established itself as a leader in the optical ...

Sold by: CRYSTECH Inc. Ships from: China
Specifications
Crystal Type: KTA (KTiOAsO4)
Phase Mathcing Type: Type II, Type I
Mounting: Unmounted, Mounted
Width: 2 mm
Height: 2 mm
BBO Beta-Barium Borate Crystal for Laser Frequency Conversion

BBO Beta-Barium Borate Crystal for Laser Frequency Conversion

Welcome to Crystech, your trusted provider of high-quality optical crystals. One of our flagship products is the BBO (β-BaB2O4), a beta-barium borate crystal renowned for its exceptional optical properties. Grown ...

Sold by: CRYSTECH Inc. Ships from: China
Specifications
Crystal Type: BBO (Beta Barium Borate)
Phase Mathcing Type: Type II, Type I
Mounting: Unmounted, Mounted
Width: 3 mm
Height: 3 mm
KTP GTR-KTP KTA BBO BIBO LN KD*P Crystals by Crystech

KTP GTR-KTP KTA BBO BIBO LN KD*P Crystals by Crystech

A complete range of nonlinear crystals manufactured and sold by Crystech. We provide a wide selection of nonlinear crystals tailored to customers\' needs in laser optics.Please use the REQUEST QUOTE button to ...

Sold by: CRYSTECH Inc. Ships from: China
Specifications
Crystal Type: BBO (Beta Barium Borate), BIBO (BiB3O6), KTA (KTiOAsO4), KTP (KTiOPO4), KD*P (Potassium Dideuterium Phosphate), LiNbO3 (Lithium Niobate)
Phase Mathcing Type: Type I, Type II
Mounting: Mounted, Unmounted
Width: 2 mm
Height: 2 mm
LiTaO3 SLT MgSLT Laser Optics Crystal

LiTaO3 SLT MgSLT Laser Optics Crystal

LiTaO3: SLT/MgSLT from Hobbite Co., LTD represents a significant advancement in laser optics technology. These subgrain boundary-free stoichiometric LiTaO3 crystals are meticulously grown to ensure superior quality ...

Sold by: Hobbite Co Ltd Ships from: China
Specifications
Crystal Type: LT (LiTaO3)
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Flatness: Not Available
Surface Quality (Scratch-Dig): Not Available
MgO:LiNbO3 Nonlinear Crystal

MgO:LiNbO3 Nonlinear Crystal

MgO-doped LiNbO3 is a groundbreaking advancement in the field of nonlinear optics, designed to optimize the performance of traditional LiNbO3 crystals. One of the principal challenges with standard LiNbO3 is its ...

Sold by: Crylink Ships from: China
Specifications
Crystal Type: LiNbO3 (Lithium Niobate)
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Width: 10 mm
Height: 10 mm
LBO Nonlinear Crystal

LBO Nonlinear Crystal

LBO (Lithium Triborate, LiB3O5) crystal is recognized as one of the most exceptional non-linear crystals, particularly esteemed for its role in noncritical phase-matched laser frequency doubling. This crystal stands ...

Sold by: Crylink Ships from: China
Specifications
Crystal Type: LBO (Lithium Triborate)
Phase Mathcing Type: Not Applicable
Mounting: Unmounted
Width: 3 mm
Height: 3 mm

Did You Know?

Nonlinear crystals are the linchpins in the world of advanced optics and photonics. They are crucial in applications that involve frequency conversion, sum or difference frequency generation, and optical parametric processes. What makes them so special? It’s their ability to change the properties of light in remarkable ways. Common nonlinear crystals you might come across include Lithium Triborate (LBO), Beta Barium Borate (BBO), Potassium Titanyl Phosphate (KTP), Potassium Dihydrogen Phosphate & Potassium Dideuterium Phosphate (KDP & DKDP), Lithium Iodate (LiIO3), and Lithium Niobate (LiNbO3). In the infrared spectrum, crystals such as AgGaS2, AgGaSe2, GaSe, and ZnGeP2 stand out for their exceptional properties. But there's more! Some of these crystals, like DKDP, BBO, and KTP, have a dual role. They not only participate in nonlinear optical processes but also boast electro-optical properties. This dual nature makes them invaluable in applications such as Q-switching and electro-optical amplitude modulation, which are vital in precision laser systems. When it comes to selecting the right nonlinear crystal, conversion efficiency is king. This efficiency hinges on several factors including the effective nonlinear coefficient, crystal length, input power density, and phase matching. In a nutshell, these factors work together to determine how adept a crystal is at converting input light into the desired output. So, the next time you come across a cutting-edge laser or a sophisticated optical communication system, chances are, nonlinear crystals are doing the heavy lifting behind the scenes!

Frequently Asked Questions

Nonlinear crystals are optical materials with a refractive index that changes with the intensity of light. They are used in nonlinear optics, a branch of optics that studies the behavior of light in nonlinear media.

Nonlinear Crystals: A Comprehensive Overview

Nonlinear crystals are at the forefront of modern photonics, playing a crucial role in a plethora of applications ranging from telecommunications to laser technology. These materials are distinct due to their ability to alter the properties of light in nonlinear ways, as opposed to the linear interaction found in regular optical materials. In this article, we delve into the intricacies of nonlinear crystals, explore their applications, and consider the advancements in this dynamic field.

Understanding Nonlinear Optics

The Concept: To fully comprehend nonlinear crystals, it's imperative to grasp the concept of nonlinear optics. Typically, when light interacts with a medium, the response of the medium is directly proportional to the intensity of the light. However, in nonlinear optics, the relationship is not linear. When light of high intensity interacts with a nonlinear material, it can change frequency, phase, or amplitude in a way that is not directly proportional to the input.

Nonlinear Optical Effects: In nonlinear materials, several optical phenomena can be observed. Some of the most notable are:

  • Second Harmonic Generation (SHG): A process where two photons with the same frequency combine to generate a new photon with twice the frequency and half the wavelength of the initial photons.
  • Sum and Difference Frequency Generation (SFG/DFG): Phenomena where photons interact to produce a photon with a frequency equal to the sum or difference of their frequencies.
  • Optical Parametric Amplification (OPA): A process where a photon is split into two photons with lower energies, where the sum of their energies is equal to the energy of the original photon.

Nonlinear Crystals – The Building Blocks

Material Properties: Nonlinear crystals are specially engineered materials that exhibit strong nonlinear optical properties. The efficiency of nonlinear interactions is characterized by the nonlinear coefficient of the crystal. Common materials include Lithium Niobate (LiNbO3), Beta Barium Borate (BBO), and Potassium Titanyl Phosphate (KTP).

Selection Criteria: When selecting a nonlinear crystal for specific applications, several factors must be considered:

  • Nonlinear Coefficient: A measure of the efficiency of the nonlinear optical interaction.
  • Transparency Range: The wavelength range over which the crystal remains transparent is critical, especially for applications involving different wavelength lights.
  • Phase Matching Conditions: The ability of the crystal to maintain a consistent phase relationship between interacting waves. This is vital for efficient energy transfer.
  • Thermal Conductivity: High thermal conductivity is essential for applications with high-intensity light to dissipate heat effectively.

Applications of Nonlinear Crystals

Laser Frequency Conversion: One of the most prevalent applications of nonlinear crystals is in laser frequency conversion. For example, green lasers often use SHG to convert infrared light from a diode laser into green light.

Telecommunication: Nonlinear crystals are instrumental in optical communication systems. They are used to amplify signals, compensate for dispersion, and even generate new frequencies for wavelength-division multiplexing.

Quantum Computing and Information: The generation and manipulation of quantum states of light, vital for quantum computing and information, are made possible through nonlinear optical processes within nonlinear crystals.

Future Prospects and Advancements

As photonic technologies continue to evolve, the demand for more efficient and versatile nonlinear crystals increases. Research is actively being conducted to find new materials with higher nonlinear coefficients and broader transparency ranges. Hybrid materials and meta-materials are also an area of active research that can potentially revolutionize the capabilities of nonlinear crystals.

Conclusion

Nonlinear crystals are indispensable in modern photonic applications. Through their unique ability to interact with light in non-linear ways, they have found utility in lasers, telecommunications, and emerging fields like quantum information processing.