Buying Frequency Quadrupling Devices
Frequency quadrupling involves two subsequent frequency doubling stages to generate ultraviolet light. These devices may include nonlinear crystals, crystal ovens, optical resonators, and locking electronics to achieve efficient and stable wavelength conversion.
Making Good Purchase Decisions
As the most professional photonics purchasing portal, RP Photonics helps you to not only to find all relevant suppliers (not limited to our advertisers), but also to make good purchasing decisions.
NEW: Structured Decision Process
Purchasing involves a lot of responsibility. We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.
Our article on best practices for purchasing and another one explaining this tool give you valuable insights.
Suppliers for Frequency Quadrupling Devices
16 suppliers for frequency quadrupling devices are listed in the RP Photonics Buyer's Guide, out of which 5 present their product descriptions. Both manufacturers and distributors can be registered.
Suppliers with Advertising Package
presenting their product descriptions
 Your trusted value co-creation partner HC Photonics Corp.F4, No. 2, Technology Rd. V Hsinchu Science Park, Hsinchu 300 Taiwan See us at CLEO 2025 in Long Beach (CA), USA, May 4–9 (Kiosk 525)! |  HC Photonics (HCP) offers both commercial off-the-shelf (COTS) and custom PPMgO:LN or PPMgO:LT based frequency quadrupling devices for pump wavelength ranging from 1420 nm to 5000 nm. The product mix includes bare crystals and plug-and-play fibered mixers with either one cascaded design or two-stage conversion configurations. A typical reference spec is the 488 nm fibered mixer converted from 1952 nm fiber laser. Please contact us for solutions to meet your specific demands. Product-specific web page |
 Plauener Straße 163–165 / Haus N 13053 Berlin Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.410) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (Kiosk 731)! |  The HarmoniXX FHG – Fourth Harmonic Generation – is a frequency converter for quadrupling the frequency of ultrashort pulse lasers. The focus is on user-friendliness and a compact design. By featuring a quick exchange of optics, the HarmoniXX devices can be used for a wide pulse duration range, from femtoseconds (fs) to several picoseconds (ps). All units are optimized for highest conversion efficiency at various laser power levels. They also display minimum pulse broadening while maintaining good spatial beam profile. For more details, see our specifications. Product-specific web page |
 A635, Boke Mansion No. 9 Xiyuan Road Xihu District, Hangzhou 310030 China See us at LASER World of Photonics 2025 in Munich, June 24–27 (hall B1, booth 258)! |  Shalom EO offers a vast selection of nonlinear optical crystals for frequency quadrupling, also known as fourth harmonic generation (FHG). Shalom EO supplies different kinds of NLO crystals including BBO crystals, CLBO crystals, KDP and KD*P, KTA, PPLN waveguides, LBO, KTP, HGTR KTP, BIBO, LiNbO3 and MgO:LiNbO3 crystals, YCOB, in addition to the infrared nonlinear crystals ZnGeP2 (ZGP) and LiIO3. Miscellaneous coating options including uncoated, AR, HR, HT, PR coatings, electrodes, and custom coatings are available. Both off-the-shelf and customized products are available. The crystals can be offered in the form of ingots, blanks, and laser-grade polished elements. Recent days, Shalom EO launched CLBO (cesium lithium borate) crystals. Processed and polished in low humidity workshop, our CLBO crystals feature excellent performance in UV, vacuum UV (VUV), and deep UV (DUV) wavelength ranges. Ultra-thin nonlinear crystals for femto-line lasers are also available. Product-specific web page |
 all wavelengths. TOPTICA Photonics AGLochhamer Schlag 19 82166 Gräfelfing Germany See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth B2.103) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 217)! |  TOPTICA provides frequency-quadrupled continuous-wave diode and fiber lasers based on two cascaded frequency-doubling stages. Available wavelengths range from 190 nm to 390 nm with up to 10 nm of tuning. Furthermore, the novel Super-UV technology guarantees long-term stable operation and higher powers at DUV wavelengths. Product-specific web page |
 Your reliable partner for photonics innovations! EKSMA Optics, UABDvarcioniu St. 2B LT-10233 Vilnius Lithuania See us at LASER World of Photonics 2025 in Munich, June 24–27 (booth A2.107) and CLEO 2025 in Long Beach (CA), USA, May 4–9 (booth 205)! |  EKSMA Optics offers a wide variety of nonlinear materials which are well suited for quadrupling applications starting with different laser wavelengths. The most popular choices are BBO and KDP crystals. We also have the even more efficient custom CLBO crystals. Product-specific web page |
Your company's products are not listed here? Get our Advertising Package to enjoy that and many other benefits!
Other Suppliers
| 3photon Lithuania |
| Agile Optic GmbH Germany |
| Bluebean Optical Tech Ltd. China |
| Calmar Laser United States |
| CASIX Inc. China |
| Core Optronics Co., Ltd China |
| GAMDAN Optics Inc. United States |
| LEOS Instruments s.r.l. Italy |
| Newlight Photonics Inc. Canada |
| nortus Optronic GmbH Germany |
| PreciLasers Co. Ltd. China |
