THORLABS M455L3 Healthcare Lab Dental M455L4

( Brand: Thorlabs ), ( Part Type: Dental ), ( Manufacturer Part Number: M455L3 )

Review THORLABS

The Thorlabs M455L3 and M455L4 are high-performance, compact, air-cooled laser diodes designed for use in various biology and analytical applications, specifically for UV excitation in fluorescence microscopy, spectral analysis, and biochemistry experiments. These laser diodes emit at a wavelength of 455nm, which is ideal for excitation of green fluorescent proteins and other fluorophores commonly used in biological research.

The M455L3 and M455L4 offer several features that make them stand out in their class. First, they are air-cooled, making them easy to integrate into laboratory setups without the need for complex cooling systems or liquid nitrogen supplies. They also have a long operational lifetime, with the M455L3 boasting a maximum lifetime of 10,000 hours and the M455L4 capable of operating for up to 20,000 hours.

Both the M455L3 and M455L4 have a high power output, with the M455L3 delivering a maximum power of 250 mW and the M455L4 providing a maximum of 500 mW. Their small form factor, measuring 34mm x 17.5mm x 6.5mm (M455L3) and 34mm x 18.7mm x 6.5mm (M455L4), makes them ideal for use in confocal microscopes and other compact experimental setups.

The laser diodes are constructed using Thorlabs' proprietary gain medium, which provides excellent beam stability and consistency, ensuring that researchers can rely on the laser output for their experiments. They also have a narrow emission linewidth, with the M455L3 producing an output with a full width at half maximum (FWHM) of approximately 5 nm, and the M455L4 providing a narrower FWHM of approximately 3 nm.

The M455L3 and M455L4 are also compatible with common detection systems, such as photomultiplier tubes (PMTs) and photodiodes. They can be operated in continuous wave mode or modulated at a wide range of frequencies, up to 10 kHz, and feature a noise level below the detection limit of most PMTs. Additionally, the laser diodes have a low duty cycle capability, allowing researchers to apply high power intensity for short durations without damaging the diode or associated components.

In conclusion, the Thorlabs M455L3 and M455L4 laser diodes provide researchers with a reliable, high-performance, and versatile excitation source for their UV-excited experiments. Their air-cooled design, compact form factor, long operational lifetime, high power output, narrow emission linewidth, and compatibility with common detection systems make them an excellent accompaniment to a wide range of analytical techniques and research applications.

The Thorlabs M455L3 and M455L4 are both high-performance, externally-modulated diode lasers for applications such as confocal microscopy, spectroscopy, and bioanalysis. They offer similar specifications, but there are some differences that could influence the decision-making process. Here are the pros and cons for each:

1. Lower price point compared to M455L4 model

2. Built-in temperature controller ensures stability

3. Relatively compact size

1. Output power is about 30% lower compared to M455L4

2. Limited modulation bandwidth (up to 50 MHz)

1. Higher output power for more demanding applications

2. Improved modulation bandwidth (up to 200 MHz)

3. Better suited for applications requiring high-speed modulation

1. Higher cost compared to the M455L3

2. No built-in temperature controller, requiring external control or an optional accessory

The choice between the M455L3 and M455L4 depends on the specific requirements of your experimental setup. If you have a budget constraint or don't require high output power or fast modulation speed, the M455L3 may be the more suitable option. Conversely, if your experiments necessitate high output power and/or fast modulation, you may consider the M455L4, despite its higher cost.

In conclusion, while both the M455L3 and M455L4 offer high-performance capabilities for various applications in the spectral range of 450-510 nm, they each have their unique strengths that make them better suited for specific use cases. The main considerations include the power requirements, modulation needs, and budget constraints of the application. Careful evaluation of these factors will help guide you in the decision-making process for selecting the best laser for your research or development project.

Details:

Tested and Working. Please look at all photos before purchasing. This item was pulled from a working environment. Only items included in pictures are the sale.

part #: m455l3 prices

• $91.23-$676.88

specifications quakedental:

• brand: Thorlabs
• part type: Dental
• manufacturer part number: M455L3

offer quakedental:

• best offers: True
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: January 9, 2025
• sold: 0

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• city: San Diego, California
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• Business Industrial > Healthcare, Lab Dental > Other Healthcare, Lab Dental
• condition: Used

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