FB690-10 Dia:1 in Bandpass Filter; CWL=690 +-2nm; FWHM=10 +-2nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- Cut Off Frequency
- 695 nm
- Cut On Frequency
- 685 nm
Material
- Name
- Soda Lime
- Dispersion Equation
- Cauchy
- n (λ)
- 1.5198130202384161
- λ
- 690 nm
- A
- 1.513
- B
- -0.003169 μm-2
- C
- 0.003962 μm2
- D
- 0 μm4
- E
- 0 μm6
- F
- 0 μm8
- G
- 0 μm10
- H
- 0 μm12
FB690-10 Dia:1 in Bandpass Filter; CWL=690 +-2nm; FWHM=10 +-2nm
The FB690-10 is a Bandpass Filter from Thorlabs, designed with a circular base shape and a diameter of 1 inch (25.4 mm). This filter is made of soda lime ru clear material and has a thickness of 3.5 mm. The filter is specifically designed for a central wavelength (CWL) of 690 nm, with a full width at half maximum (FWHM) of 10 nm, providing a narrow band of wavelengths for transmission.
The FB690-10 filter is coated on both the front and back with a coating identified as 'tho fb690-10'. This coating enhances the filter's performance and durability. The filter's physical data includes a cut-on wavelength of 685 nm and a cut-off wavelength of 695 nm, ensuring precise wavelength selection.
This filter is currently in stock and available for purchase through the Thorlabs website. The catalog number for this item is FB690-10. The filter's design and specifications make it an ideal choice for various applications that require precise wavelength selection and narrowband transmission.