THORLABS FELH1000 Longpass Filter 25MM

( Brand: Thorlabs ), ( Manufacturer Part Number: FELH1000 ), ( Part Type: Filter )

Review THORLABS 25mm Longpass Filter New

Thorlabs FELH1000 25mm Longpass Filter - A Precision Infrared Optical Filter for High-Performance Applications

The Thorlabs FELH1000 25mm Longpass Filter is an essential component in various optical systems, particularly those requiring infrared (IR) light attenuation while passing shorter wavelengths. This high-quality filter exhibits exceptional transmission properties, designed to pass light with a wavelength longer than the specified cutoff point (1000 nm in this case).

Crafted with meticulous attention to detail, the FELH1000 Longpass Filter boasts a robust 25mm thickness, providing an optimal balance between durability and performance. The filter is made from high-quality Schott glass, known for its excellent optical properties and resistance to thermal and mechanical stress. The glass substrate is coated with a broadband longpass coating, ensuring consistent performance across a wide range of IR wavelengths.

The FELH1000 Longpass Filter exhibits a high rejection of light below the cutoff wavelength, minimizing stray light and unwanted reflections that could interfere with your experimental results. This makes it ideal for applications such as IR imaging, spectroscopy, and laser systems where precise wavelength selection is crucial.

Thorlabs' FELH1000 25mm Longpass Filter is designed with the end-user in mind, offering a flat and parallel surface for easy integration into your optical setup. It is also available with anti-reflection (AR) coatings on the outer surfaces to minimize losses due to Fresnel reflections, enhancing overall system efficiency.

In summary, the Thorlabs FELH1000 25mm Longpass Filter is a versatile and high-performance optical filter, offering consistent and reliable IR wavelength selection in a range of applications. Its robust construction, combined with its exceptional optical properties, makes it an indispensable tool for scientists, researchers, and engineers working in the field of infrared optics.

1. High Quality: Known for its high-quality optics, Thorlabs guarantees excellent transmission and low loss.

2. Long Pass Wavelength: The filter is designed to pass wavelengths longer than 1000 nm, making it suitable for applications requiring long-wavelength light.

3. Durable Construction: The filter is constructed with a durable aluminum housing, ensuring it can withstand the rigors of lab use.

4. Low Reflection: The filter has a low reflection coefficient, which helps to minimize unwanted reflections.

5. Good for Infrared Applications: The long pass filter is ideal for infrared applications such as laser diode or fiber optic systems.

1. Specific Wavelength Range: Since it is a long pass filter, it may not be suitable for applications requiring shorter wavelengths.

2. Cost: Compared to some other filters, the Thorlabs FEHL1000 may be more expensive.

3. Size: With a 25mm diameter, it may not be the ideal choice for applications requiring a smaller filter.

4. Limited Bandwidth: The filter may not offer the broadest bandwidth compared to other filter types.

The Thorlabs FEHL1000 25mm Longpass Filter is a high-quality product suitable for infrared applications. Its durability, low reflection, and high quality make it a good choice for lab use. However, its specific wavelength range, cost, size, and limited bandwidth may make it less suitable for some applications.

If you require a long pass filter for infrared applications, the Thorlabs FEHL1000 25mm Longpass Filter could be a good choice. However, consider your specific application requirements, such as the wavelength range, size, cost, and bandwidth, before making a decision. It may be beneficial to compare this filter with other options to ensure you are making the best purchase for your needs.

Details:

New, Photos are of the actual item for sale. If a custom power cord or AC adapter is required for the item, it only included if pictured described above. Shipping Details: originates from zip code 95742. Privacy: Rest assured your information will not be given, sold, rented or loaned to any third party.

On hand and ready to ship.

part #: felh1000 prices

• $16.22-$48.22

specifications filtecam:

• brand: Thorlabs
• mpn: Felh1000
• part type: Filter

general filtecam:

• Cameras Photo > Lenses Filters > Filters
• condition: New

seller filtecam:

• rating: 99.8%
• city: Rancho Cordova, California
• # reviews: 35231

returns filtecam:

• method: Money back
• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping filtecam:

• type: Fixed
• service: Standard, Expedited, Overnight
• class: Standard, Expedited, One-day
• transit: 4-9 Days
• cost: $0.00

payments filtecam:

• credit card: Visa
• other
• wallet: Google-pay

offer filtecam:

• sold: 0
• quantity: 1
• started: May 10, 2025
• options: Ship-to-home
• availability: In Stock

Thorlabs FELH1000 Is Similar To:

• Thorlabs Ne60b-a 25 Mm Neutral Density Filter Ar Coated 350-700 Nm Od 6.0 (49.6% similar) This unit will arrive in the condition shown. Shipping buyer pays for all shipping costs. Warranty this item is guaranteed to be as described. Orders are shipped to the cardholders billing address. Thorlabs NE60B-A 25MM neutral density filter, ar coated: 350-700 NM, OD: 6.0: this lot is for one ...(September 30th, 2024)
• Thorlabs Nduv10b Unmounted Uvfs Reflective Nd Filter New (52.9% similar) Shipping details: originates from zip code 95742. Privacy: rest assured your information will not be given, sold, rented or loaned to any third party. If a custom power cord or ac adapter is required for the item, it only included if pictured described above. On hand and ready to ship. New, pictures...(April 8th, 2025)
• Thorlabs Nduv13b Unmounted 25 Mm Uvfs Reflective Nd Filter New (53.7% similar) Shipping details: originates from zip code 95742. New, photos are of the actual item for sale. On hand and ready to ship. Privacy: rest assured your information will not be given, sold, rented or loaned to any third party. If a custom power cord or ac adapter is required for the item, it only ...(April 23rd, 2025)
• Thorlabs Nduv30b Unmounted 25 Mm Uvfs Reflective Nd Filter New (53.7% similar) If a custom power cord or ac adapter is required for the item, it only included if pictured described above. Privacy: rest assured your information will not be given, sold, rented or loaned to any third party. On hand and ready to ship. New, photos are of the actual item for sale. Shipping details: ...(April 23rd, 2025)
• Thorlabs Fgl9 Colored Glass Filter New (64.3% similar) If a custom power cord or ac adapter is required for the item, it only included if pictured described above. Privacy: rest assured your information will not be given, sold, rented or loaned to any third party. Shipping details: originates from zip code 95742. New, photos are of the actual item for ...(April 23rd, 2025)
• Thorlabs Nd13b Unmounted Reflective 25 Mm Nd Filter (46.3% similar) Item will come with a 30 day warranty. Shipping details: originates from zip code 95742. Item was recently removed from working service and is in excellent order. Cosmetically in good condition showing minor scuffs / scratches blemishes from previous use. If a custom power cord or ac adapter is ...(May 8th, 2025)
• Thorlabs Fgl830 Colored Glass Filter (60% similar) Includes colored glass filter as pictured. Shipping details: originates from zip code 95742. If a custom power cord or ac adapter is required for the item, it only included if pictured described above. Photos are of the actual unit for sale. Cosmetically in good condition showing minor scuffs / ...(May 8th, 2025)
• Thorlabs Nduv20b Unmounted Uvfs Reflective Nd Filter New Open Box (46.8% similar) On hand and ready to ship. Privacy: rest assured your information will not be given, sold, rented or loaned to any third party. New open box, pictures are of one the actual units available. Shipping details: originates from zip code 95742. If a custom power cord or ac adapter is required for the ...(May 9th, 2025)
• Thorlabs Ne10a-a 25 Mm Absorptive Neutral Density Filter Sm1-threaded Mount A (47.9% similar) My best regards. Condition: new. Thorlabs NE10A-A 25MM absorptive neutral density filter, SM1-THREADED mount, arc: 350 - 700 NM, OD: 1.0. P/n: NE10A-A...(June 26th, 2025)
• Thorlabs Felh1500 25mm Circular 1500nm Longpass Camera Filter Lot Of 4 (68.4% similar) Applications: commonly used in Rama spectroscopy, fluorescence microscopy, and for isolating specific spectral regions experimental setups. Cut-on wave length : 1500 NM at 90% transmission. Directional engraving: to minimize unwanted scattering and reflections, the filter edge typically has an ...(April 7th, 2026)