THORLABS FB400-10 Bandpass Filter Cwl Fwhm

( Brand: Thorlabs ), ( Type: Laser ), ( Manufacturer Part Number: FB400-10 )

Review THORLABS Inch Bandpass Filter Cwl 400 Nm Fwhm New

The Thorlabs FB400-10 bandpass filter is a high-performance optical filter specifically designed for use in applications requiring narrow bandpass filtering at a wavelength of 400 nm. This filter is characterized by a center wavelength of 400 nm and a full width at half maximum (FWHM) of 10 nm.

The FB400-10 filter is made of high-quality BK7 glass substrate, which is coated with a multilayer thin film coating to achieve the desired spectral transmission properties. The filter is square in shape, with dimensions of 25.4 mm x 25.4 mm, and it is mounted in a high-quality, rugged housing that provides superior mechanical stability and durability.

The transmission spectrum of the FB400-10 filter is characterized by a sharp, well-defined peak at the center wavelength of 400 nm, with a high transmission efficiency of up to 90%. The filter exhibits low absorption and reflection losses, which helps to maximize the amount of light that is transmitted through the filter.

The FB400-10 filter is an excellent choice for applications that require narrowband filtering in the blue region of the spectrum, such as fluorescence microscopy, spectroscopy, and other analytical techniques. The narrow bandwidth of the filter helps to reduce background noise and improve signal-to-noise ratio, leading to more accurate and precise measurements.

The filter is also suitable for use in a variety of other applications where narrowband filtering is required, such as in laser systems, optical communications, and other fields where high spectral purity is essential. The filter is designed for use in both research and industrial applications, and it is backed by Thorlabs' industry-leading warranty and technical support.

In summary, the Thorlabs FB400-10 bandpass filter is a high-performance optical filter that provides narrowband filtering at a center wavelength of 400 nm with a FWHM of 10 nm. It is made of high-quality materials, is ruggedly constructed, and is suitable for use in a wide range of applications where spectral purity is essential. With its sharp transmission peak, low absorption and reflection losses, and excellent mechanical stability, the FB400-10 filter is an excellent choice for researchers, engineers, and other professionals who require precise and accurate spectral filtering in the blue region of the spectrum.

The Thorlabs FB400-10 bandpass filter is designed for use in applications requiring wavelength selection and rejection of out-of-band light at the wavelength of 400 nm. This filter has a center wavelength of 400 nm and a full width at half maximum (FWHM) of 10 nm. Here are some potential pros and cons of purchasing this filter:

1. High Transmission: The filter has a high transmission in the range of 380-420 nm, making it suitable for applications where high throughput is essential.

2. Wavelength Selection: The bandpass filter allows for the selection of a specific wavelength range, which is useful for applications where wavelength discrimination is necessary.

3. Low Wavelength Dependence of Transmission: The filter's transmission does not vary significantly with wavelength within the passband, making it suitable for applications where wavelength stability is important.

4. Durable: The filter is made of Schott BK7 glass, which is known for its excellent optical properties and resistance to environmental conditions, making it a durable option for applications where the filter may be exposed to harsh conditions.

1. Narrow Passband: The filter's FWHM of 10 nm may be too narrow for some applications, making it necessary to consider other filter options with wider passbands.

2. Reflections: The filter may reflect some light outside of the passband, which can lead to unwanted background noise in some applications.

3. Cost: The Thorlabs FB400-10 bandpass filter may be more expensive than other filter options with similar specifications, making it a consideration for budget-conscious applications.

The Thorlabs FB400-10 bandpass filter is a high-quality filter with excellent transmission in the wavelength range of 380-420 nm and a narrow passband of 10 nm. It is suitable for applications where wavelength selection and rejection of out-of-band light are necessary and where durability and wavelength stability are important. However, its narrow passband and potential reflections may limit its use in some applications, and its cost may be a consideration for budget-conscious applications.

If your application requires wavelength selection, high throughput, wavelength stability, and durability, and you have the budget for it, the Thorlabs FB400-10 bandpass filter may be an excellent option for you. However, if your application requires a wider passband or lower cost, you may want to consider other filter options. It is always recommended to consult the specifications and data sheets of multiple filter options to determine which one best suits your application requirements.

Details:

Thorlabs FB400-10 - 1 Bandpass Filter, CWL 400 2 nm, FWHM 10 new, Here is a brand New, Satisfaction Guaranteed or Your Money Back. We combine Shipping cost.

part #: fb40010 prices

• $100.00-$135.73

specifications quakedental:

• brand: Thorlabs
• type: Laser
• manufacturer part number: FB400-10

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• method: Money back
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• # reviews: 755
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• condition: New
• Business Industrial > Healthcare, Lab Dental > Other Healthcare, Lab Dental

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• carrier: USPS
• cost: $7.50
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• started: November 16, 2025
• options: Ship-to-home
• sold: 0
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• availability: In Stock
• quantity: 1

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