Surplus
Surplus
Surplus Products from Andover Corporation offer exceptional value on high-quality optical components at reduced prices. These items include discontinued products, overruns from production batches, and custom filters made for specific projects that are now available to the general market.
Our surplus inventory encompasses a wide range of optical filters including bandpass filters, edge filters, IR filters, and hard-coated filters—all manufactured to Andover's rigorous quality standards. Each surplus item undergoes the same thorough inspection and testing as our standard products, ensuring reliable performance despite the discounted price. This collection represents an excellent opportunity for researchers, educational institutions, and companies working with budget constraints to acquire precision optical components at significant savings. Inventory changes regularly based on availability, so we encourage checking our surplus listings frequently for the best selection.
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- Description: Custom BP filter CWL 266.0nm/HBW 1.5nm/25mm dia.
- Specifications: 1) Use 125SR12-25 step ring
- Alternate Part Number: 109524
- NSN: N/A
- Wavelength: 266.0 +0.3 / -0
- Operating Temperature: 23.0
- Parallelism: Commercial
- Bandwidth (FWHM): 1.5
- Transmission: 10%
- Minimum Transmission: 10%
- Blocking: 1x10-4 avg. X-Ray to FIR
- Blocking Range: N/A
- Reflection: N/A
- Size: 25.0 Ø +0 / -0.25
- Thickness: 9.5 +0 / -nom
- Scratch-Dig: 80/50
- Clear Aperture: 21mm Ø min
- Flatness: Commercial
- Effective Refractive Index: N/A
- Filter Type: 2
- Substrate: ZWB-3
- Substrate Material: ZWB-3
- Gas: N/A
- Wavelength Range: N/A
- Transmitted Wavefront: N/A
- A/R Coatings: N/A
- Nominal 50% point(s): N/A
- Angle of Incidence: 0
- 50% Cut-on Wavelength: 266.0
- Transmission Range: N/A
- 5% Wavelength: N/A
- Type: N/A
- Contents: N/A
- Packaging: N/A
- Certification: N/A
- Description: Custom BP filter CWL 868.0nm/HBW 3.0nm/25mm dia.
- Specifications: - Filter will be mounted in a ring
- Alternate Part Number: 108627
- NSN: N/A
- Wavelength: 868.0 +0.5 / -0
- Operating Temperature: 23.0
- Parallelism: Commercial
- Bandwidth (FWHM): 3.0
- Transmission: 50%
- Minimum Transmission: 50%
- Blocking: 1 x 10-4 avg. X-Ray to FIR
- Blocking Range: N/A
- Reflection: N/A
- Size: 25.0 +0 / -0.25
- Thickness: 3.0 +0 / -nom
- Scratch-Dig: 80/50
- Clear Aperture: 21.0
- Flatness: Commercial
- Effective Refractive Index: N/A
- Filter Type: 2
- Substrate: RG830 1.0mm
- Substrate Material: RG830 1.0mm
- Gas: N/A
- Wavelength Range: N/A
- Transmitted Wavefront: N/A
- A/R Coatings: N/A
- Nominal 50% point(s): N/A
- Angle of Incidence: 0
- 50% Cut-on Wavelength: 868.0
- Transmission Range: N/A
- 5% Wavelength: N/A
- Type: N/A
- Contents: N/A
- Packaging: N/A
- Certification: N/A
- Description: Custom BP filter CWL 1380.0nm/HBW 10.0nm/25mm dia.
- Specifications: A) Mount in a ring
- Alternate Part Number: 109508
- NSN: N/A
- Wavelength: 1380.0 +2 / -0
- Operating Temperature: 23.0
- Parallelism: Commercial
- Bandwidth (FWHM): 10.0
- Transmission: 30%
- Minimum Transmission: 30%
- Blocking: 1x10-4 avg. X-Ray to FIR
- Blocking Range: N/A
- Reflection: N/A
- Size: 25.0 Ø +0 / -0.25
- Thickness: 9.5 +0 / -nom
- Scratch-Dig: Commercial
- Clear Aperture: 21mmØ
- Flatness: Commercial
- Effective Refractive Index: N/A
- Filter Type: 2
- Substrate: Green Glass
- Substrate Material: Green Glass
- Gas: N/A
- Wavelength Range: N/A
- Transmitted Wavefront: N/A
- A/R Coatings: N/A
- Nominal 50% point(s): N/A
- Angle of Incidence: 0
- 50% Cut-on Wavelength: 1380.0
- Transmission Range: N/A
- 5% Wavelength: N/A
- Type: N/A
- Contents: N/A
- Packaging: N/A
- Certification: N/A