| Specifications | |
|---|---|
Part Number |
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T>90%@610-800nm+R>99%@350-580nm Longpass Dichroic Mirror(LPDM)
SO3060566
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This LPDM Longpass Dichroic Mirror is designed to reflect 350-580nm light while transmitting 610-800nm light.
It is suitable for beam combining, beam separation, and laser routing systems using wavelength-selective optical systems. It helps separate or combine beams by wavelength with high efficiency and minimal signal loss.
Key specifications:
- Wavelength / main spec: Reflects 350-580nm; Transmits 610-800nm
- Bandwidth / transition spec: See specification table for transition characteristics
- Transmission / blocking: T > 90% at 610-800nm; R > 99% at 350-580nm
- Format / custom option: Available in dia12.5mm~dia25mm (mounted),25x36mm~35x52mm (unmounted), custom options available on request
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Product Faqs
What does a dichroic mirror do?
A dichroic mirror separates light by wavelength. It is designed to reflect one wavelength range while transmitting another wavelength range.
For example, a dichroic mirror may reflect a laser wavelength while transmitting a visible alignment beam, fluorescence signal, or another laser wavelength. The exact function depends on the reflection band, transmission band, and angle of incidence.
What angle of incidence should I use?
Most dichroic mirrors are designed for a specified angle of incidence, commonly 45°, unless otherwise stated.
Can this dichroic mirror be used to combine or separate laser beams?
Yes. Dichroic mirrors are commonly used for laser beam combining and beam separation when the wavelengths are different enough and the reflection/transmission bands match the system requirement.
For example, one wavelength may be reflected at 45°, while another wavelength passes through the mirror. Before ordering, please confirm the laser wavelengths, AOI, beam size, and required reflection/transmission performance.
Not sure if this product fits your setup?
Whether you are replacing an existing part or building a new system, send us:
- Original part number or target specification
- Required size and quantity
- Application or system goal
We will help check product fit or suggest a stock/custom alternative.