Vexlum

VEXLUM offers VECSEL technology with intracavity frequency doubling, producing diffraction-limited, watt-level lasers across the blue spectral region (400–500 nm). The lasers feature a wavelength tuning range of ±1 nm and a narrow linewidth, ideal for various applications:

Quantum technology:

• Rb Rydberg gates
• Ca⁺ state generation and cooling
• Sr 1^st stage broad cooling
• Ba⁺ S_1/2 → P_1/2 cooling and detection

Semiconductor applications:

• Lithography and holography at specific wavelengths like 405 nm and 420 nm.

Vertical-External-Cavity Surface-Emitting Lasers (VECSELs), also known as semiconductor disk lasers or optically pumped semiconductor lasers, provide a versatile platform with features beneficial for applications requiring broad wavelength coverage and high output power. Key features include:

• Broad wavelength coverage
• Multi-watt power output
• Low noise
• Excellent spatial quality
• Tunable narrow-linewidth operation

VECSELs are suitable for applications that demand exotic wavelengths and high power with narrow spectral linewidths.

VEXLUM provides lasers that can be frequency-stabilized using external reference signals such as wavemeters or reference cavities. VALO and VXL lasers feature:

• An integrated piezoelectric actuator with a 10 kHz bandwidth for slow locking.
• An optional intracavity electro-optic modulator (EOM) with a 1 MHz bandwidth for fast locking.

These capabilities allow for highly precise optical frequencies, making them ideal for quantum technology and spectroscopy applications. The fast lock option is particularly useful for demanding clock transitions.

VEXLUM offers VECSEL technology with intracavity frequency doubling, producing diffraction-limited, watt-level lasers across the green spectral region (500–570 nm). The lasers feature a wavelength tuning range of ±1 nm and a narrow linewidth, ideal for various applications:

Quantum technology:

• Cs Rydberg state preparation 509 nm
• Yb macic wavelength 552 nm
• Ba MOT 553.5 nm
• Yb 2^nd stage narrow cooling 556 nm
• Yb clock 578 nm

Medical applications:

• Ophthalmology: retinal photocoagulation (520 or 532 nm)

VEXLUM offers VECSEL technology as a cost-effective alternative to traditional diode and fiber amplifier setups for sodium guide star lasers. For more information or to start a discussion, contact the VEXLUM team.

VEXLUM offers watt-level single-frequency lasers based on VECSEL technology with broad wavelength coverage. Our product lines include:

• VALO, offering flexibility for research applications such as quantum technology and spectroscopy.
• VXL®, a new compact and modular industrial single-frequency product line, designed for system integration in semiconductor, metrology, and medical applications.

Wavelengths range from 350 nm to 2150 nm, and power levels up to 10 W.

VEXLUM lasers are designed for narrow-linewidth operation, utilizing an external cavity configuration with frequency-selecting elements such as a birefringent filter and etalon. These lasers offer:

• Narrow free-running linewidths: < 100 Hz (instantaneous), < 10 kHz (10 μs), < 100 kHz (100 μs)
• Virtually no amplified spontaneous emission (ASE) background (SNR > 70 dB) due to VECSEL technology.

VEXLUM offers VECSEL technology with intracavity frequency doubling, producing diffraction-limited, watt-level lasers across the red spectral region (625–750 nm). The lasers feature a wavelength tuning range of ±1 nm and a narrow linewidth, ideal for various applications:

Quantum technology:

• Sr narrow cooling (689 nm / 1 W)
• Sr repumping (689 & 707 nm / 500 mW)
• Sr clock (quadrupole, 698 nm / 1 W)
• Sr⁺ clock (quadrupole, 674 nm / 1 W)

Semiconductor applications:

• HeNe laser replacement at 632.8 nm

VEXLUM offers watt-level single-frequency lasers based on VECSEL technology with broad wavelength coverage. Wavelengths range from 350 nm to 2150 nm, and power levels up to 10 W. We will configure the laser exactly to your wavelength. Challenge us with specs of your dream laser!

VEXLUM has Vertical-External-Cavity Surface-Emitting Lasers (VECSELs), also known as semiconductor disk lasers or optically pumped semiconductor lasers. These are a versatile platform with features beneficial for applications requiring broad wavelength coverage and high output power. Key features include:

• Broad wavelength coverage
• Multi-watt power output
• Low noise
• Excellent spatial quality
• Tunable narrow-linewidth operation

VECSELs are suitable for applications that demand exotic wavelengths and high power with narrow spectral linewidths.

VEXLUM lasers are designed for narrow-linewidth operation, featuring an external cavity configuration with frequency-selecting elements such as a birefringent filter and etalon/EOM. Key specifications include:

• Narrow free-running linewidths: < 100 Hz (instantaneous), < 10 kHz (10 μs), < 100 kHz (100 μs)
• Sub-Hz linewidth achievable by locking to a frequency comb
• Minimal amplified spontaneous emission (ASE) background (SNR > 70 dB) due to VECSEL technology

VEXLUM's products are based on VECSEL technology. The surface emission aspect provides ecellent spatial quality with M² < 1.1.

Vertical-External-Cavity Surface-Emitting Lasers (VECSELs), also known as semiconductor disk lasers or optically pumped semiconductor lasers, are a versatile laser technology platform. They combine the wavelength versatility of semiconductor gain structures with the heat management capabilities and external cavity architecture of the thin-disk concept. This integration provides:

• Broad wavelength coverage
• Multi-watt power output
• Tunable narrow-linewidth operation
• High beam quality

VEXLUM's products utilize VECSEL technology for tunable narrow-linewidth operation. Typical tuning ranges are ±1 nm, extending up to 100 nm at IR wavelengths. For more information, please contact us.

VEXLUM offers products starting from the ultraviolet wavelength of 350 nm, suitable for applications in semiconductor technology, quantum technology, and more. For specific requirements, please contact VEXLUM directly.

Vertical-External-Cavity Surface-Emitting Lasers (VECSELs), also known as semiconductor disk lasers or optically pumped semiconductor lasers, provide a versatile platform with features beneficial for applications requiring broad wavelength coverage and high output power. Key features include:

• Broad wavelength coverage
• Multi-watt power output
• Low noise
• Excellent spatial quality
• Tunable narrow-linewidth operation

VECSELs are suitable for applications that demand exotic wavelengths and high power with narrow spectral linewidths.

VEXLUM offers VECSEL technology with intracavity frequency doubling, producing diffraction-limited, watt-level lasers across the yellow-orange spectral region (565–625 nm), which is very challenging for competing technologies. The lasers feature a wavelength tuning range of ±1 nm and a narrow linewidth, ideal for various applications:

Quantum technology:

• Yb clock (quadrupole, 578 nm / 2 W)
• Yb 2^nd stage narrow cooling (555 nm / 2 W)
• Ba repumping (614 nm / 2 W)

Others:

• Sodium guide star laser at 589 nm