785nm, 25mm Dia., OD 6.0 Blocking Notch Filter

Product Details OD 6.0 Rejection of Laser Wavelength from 355 to 1064 nm Broad Transmission Range Ideal for Laser-Based Raman, Fluorescence, and Biomedical Systems OD 4.0 Notch Filters and OD 6.0 Multi-Notch Filter for Nd:YAG Lasers Also Available TECHSPEC OD 6.0 Notch Filters feature deep blocking with broad transmission bands that are ideal for use in laser analysis applications where specific wavelengths need to be blocked in order to maximize system performance. For instance, TECHSPEC OD 6.0 Notch Filters can be used in Raman spectrometers to eliminate unwanted noise from the pump laser source to obtain the optimum signal-to-noise ratio. These optical filters feature hard coatings that will not degrade with time, temperature, or humidity, and have been mounted in black anodized rings that have been engraved to ease filter handling, identification, or orientation. TECHSPEC OD 6.0 Notch Filters feature high OD 6.0 blocking, one of the highest optical densities for notch filters in the optics industry. High blocking at the center wavelength coupled with high transmission of wavelengths outside of this makes these notch filters ideal when high throughput is critical. Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm 2 @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value. Specifications General Type: Notch Filter Physical & Mechanical Properties Diameter (mm): 25.00 +0.0/-0.1 Construction: Mounted in Black Anodized Ring Clear Aperture (%): 85 Physical Durability: Adhesion per MIL-PRF-13830B, Section C.4.5.12 Moderate abrasion per MIL-PRF-13830B, Section C.4.5.11 Cleaning per MIL-C-48497A Section 4.5.4.2 Optical Properties Optical Density OD (Average): ≥6.0 Center Wavelength CWL (nm): 785.00 Design Wavelength DWL (nm): 785 Full Width-Half Max FWHM (nm): 39.00 Coating: Hard Coated Surface Quality: 60-40 Transmission (%): 350 – 400nm: T avg >80 400 – 1200nm: T avg >90 Transmission Wavelength (nm): 350 – 1200 Reflection at CWL (%): >99.5 Transmitted Wavefront, RMS: <1λ Threading & Mounting Mount Thickness (mm): 3.5 Environmental & Durability Factors Environmental Durability: Humidity per MIL-STD-810H, Section 507.6 Temperature per MIL-STD-810H, Section 501.7 and 502.7 Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 240: Compliant ×