737 nm DBR Single-Frequency Laser Diode

Name: 737 nm DBR Single-Frequency Laser Diode
Brand: Photodigm Inc.
Availability: InStock

Description

The 737 nm Distributed Bragg Reflector (DBR) Laser Diode from Photodigm is a high-performance edge-emitting laser designed for precision optical applications. Utilizing monolithic single-frequency GaAs-based laser technology, this device delivers a single spatial mode beam, ensuring excellent spectral purity and stability.

With a power output range of 40–80 mW, this laser diode offers high efficiency with a nominal slope efficiency of 0.8 W/A. The passivated facets enhance device reliability, while the narrow linewidth (500 kHz typical) and high side mode suppression ratio (-40 dB) ensure optimal performance in demanding applications.

Engineered for NV-center research, optical-pumped magnetometry, and quantum optics, this DBR laser diode provides precise wavelength control, with temperature and current tuning rates of 0.06 nm/°C and 0.002 nm/mA, respectively. It is available in various free-space package configurations, including Chip on Submount (CoS), TO-8, C-Mount, and TOSA.

For applications requiring mode-hop-free (MHF) operation, an MHF version is also available.

Ideal for research and industrial applications, the 737 nm DBR laser diode ensures superior performance, stability, and reliability.

Specifications

Center Wavelength:	0.737 um
Output Power:	40 mW
Operating Current, Max (CW & Pulsed):	200 mA
Optical Power At Max Operating Current:	80 mW
Storage Temperature:	0 to +70 °C
Nominal Laser Linewidth @ LIV Current:	500 kHz
Temperature Tuning Rate:	0.06 nm/ºC
Polarization Extinction Ratio:	-20 dB
Operating Temperature (Chip):	+5 to +40 °C

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Features

Single-Frequency DBR Laser: Monolithic GaAs-based edge-emitting laser with a fundamental mode structure
High Optical Power: Output power ranges from 40 mW to 80 mW for versatile applications
Excellent Spectral Purity: Narrow linewidth (500 kHz typical) with a high side mode suppression ratio (-40 dB)
Stable and Reliable: Passivated facets enhance reliability and long-term performance
Precision Tuning: Temperature tuning rate of 0.06 nm/°C and current tuning rate of 0.002 nm/mA for precise wavelength control
Multiple Packaging Options: Available in Chip on Submount (CoS), TO-8, C-Mount, and TOSA packages
Mode-Hop-Free (MHF) Option: Provides enhanced wavelength stability for critical applications
High Polarization Extinction Ratio: ≥17 dB, ensuring polarization stability

Applications

NV-Center Research: Ideal for quantum computing and single-photon emission studies
Optical-Pumped Magnetometry: Used in high-precision magnetic field sensing applications
Quantum Optics & Computing: Supports research in atomic, molecular, and optical physics (AMO)
Spectroscopy & Metrology: Provides high-resolution spectral analysis for scientific applications
Laser Cooling & Trapping: Enables atomic and molecular cooling techniques in experimental physics

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Ships from:

United States

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Photodigm Inc.

On FindLight:

since 2019

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Frequently Asked Questions

What are the key applications of the 737 nm DBR laser diode?

The 737 nm DBR laser diode is commonly used in NV-center research and optically pumped magnetometry applications. It provides a single spatial mode beam with high spectral purity, making it ideal for quantum technology and precision measurement systems.

What are the available packaging options for this laser diode?

The 737 nm DBR laser diode is available in multiple packaging configurations, including Chip on Submount (CoS), C-Mount, TO-8, and Transmitter Optical Subassembly (TOSA). Mode-Hop Free (MHF) versions are also available for applications requiring enhanced wavelength stability.

What is the operating temperature range for this laser diode?

The operating temperature range varies based on the component: 5°C to 70°C for the case and 5°C to 45°C for the laser chip. It is recommended to avoid operation below the dew point unless using a hermetically sealed package.

What precautions should be taken when handling this laser diode?

The 737 nm DBR laser diode is highly sensitive to ESD (Electrostatic Discharge). It must be handled in a grounded work area using an antistatic wrist strap and container. Leads should be shorted together when stored to prevent damage.

How does the wavelength of the laser diode vary with temperature and current?

The wavelength exhibits temperature tuning at a rate of 0.06 nm/°C and current tuning at 0.002 nm/mA. These properties allow for fine wavelength adjustments in precision optical systems.