High Performance Longpass Filter

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Home  Products 

Longpass Filter

 High Performance Longpass Filter

High Performance Longpass Filter

Longpass filters provide a wide blocking bandwidth, high blocking depth, high transmission and high blocking slope. They are widely used in fluorescence excitation spectrum measurement, Raman spectrum, spectral group and astronomical observation applications. Widely used in imaging optical systems and machine vision systems to eliminate interfering light, the provide improved the imaging quality and sensitivity of the system.

Material UV Fused Silica

Transmitted Wavefront error λ/ 4 @ 633 nm

Parallelism ＜ 30 arcsec

Surface Quality 40-20

Diameter Tolerance ＋0.0/-0.1mm

Thickness 2mm ±0.2mm

* Central Wavelength (λC)Tolerance ±1%

Transmission Tavg＞90%

Blocking Depth OD2

** Blocking Slope ＜1%

CA ＞90%

Angle of Incidence 0°

Products Spectral curve Related Download

Dia

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CWL

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Transmission Wavelength

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Blocking Band

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Clear

Pro No.

Parameter

Dia

CWL

Transmission Wavelength

Blocking Band

Delivery time

Compare

Price

Purchase

208500

Parameter list

Φ12.5mm

400nm

415~2000nm

200~385nm

In stock



$91.67



208501

Parameter list

Φ12.5mm

425nm

440~2000nm

200~410nm

In stock



$91.67



208502

Parameter list

Φ12.5mm

450nm

465~2000nm

200~435nm

In stock



$91.67



208503

Parameter list

Φ12.5mm

475nm

490~2000nm

200~460nm

In stock



$91.67



208504

Parameter list

Φ12.5mm

500nm

515~2000nm

200~485nm

In stock



$91.67



208505

Parameter list

Φ12.5mm

525nm

540~2000nm

200~510nm

In stock



$91.67



208506

Parameter list

Φ12.5mm

550nm

565~2000nm

200~535nm

In stock



$91.67



208507

Parameter list

Φ12.5mm

575nm

590~2000nm

200~560nm

In stock



$91.67



208508

Parameter list

Φ12.5mm

600nm

615~2000nm

200~580nm

In stock



$91.67



208509

Parameter list

Φ12.5mm

625nm

640~2000nm

200~610nm

In stock



$91.67



208510

Parameter list

Φ12.5mm

650nm

665~2000nm

200~630nm

In stock



$91.67



208511

Parameter list

Φ12.5mm

675nm

690~2000nm

200~650nm

In stock



$91.67



208512

Parameter list

Φ12.5mm

700nm

715~2000nm

200~680nm

Consult



$91.67



208513

Parameter list

Φ12.5mm

725nm

740~2000nm

200~700nm

In stock



$91.67



208514

Parameter list

Φ12.5mm

750nm

770~2000nm

200~730nm

In stock



$91.67



208515

Parameter list

Φ12.5mm

775nm

795~2000nm

200~750nm

In stock



$91.67



208516

Parameter list

Φ12.5mm

800nm

820~2000nm

200~780nm

In stock



$91.67



208517

Parameter list

Φ12.5mm

825nm

845~2000nm

200~800nm

In stock



$91.67



208518

Parameter list

Φ12.5mm

850nm

870~2000nm

200~830nm

In stock



$91.67



208519

Parameter list

Φ12.5mm

875nm

895~2000nm

200~855nm

In stock



$91.67



More products >>

Curve download

Economical Longpass Filter

Steep Long Pass Filter

Ultrasteep Long Pass Filter

High Performance Shortpass Filter

We offer two catalogs to you: product catalog and Imaging optics catalog.

Product catalog:
This catalog include optical components, laser components, opto-mechanics, lenses and light sources, measuring instruments, and optical materials. In additional, we also provide large-size ultra-precision planar optical, spherical optical, aspheric optical, imaging lens, and precision angle component customized design and processing.

Imaging optics catalog:
This catalog include fixed focal lens, telecentric lens, zoom lens, line scan lens, short wave near infrared lens (SWIR), 360°outer surround view lens, VIS-NIR lens, relay lens , teleconverter, etc. In additional, we also provide lens design and development service.

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