HB Series: Red & IR Cut-off Filter Selection Center
YOUJIA OPTICAL provides a comprehensive range of HB series red longpass filters, covering cut-off wavelengths from 600nm to 720nm. These ionic-colored glass filters offer sharp transitions and high NIR throughput, essential for high-performance optical systems.
Cross-Reference & Selection Guide
| YOUJIA Model | Cut-off (λc) | Schott Equiv. | Hoya Equiv. |
|---|---|---|---|
| HB600 | 600nm | RG610 | R-60 |
| HB630 | 630nm | RG630 | R-62 |
| HB650 | 650nm | RG645 | R-64 |
| HB685 | 685nm | RG665 | R-66 |
| HB700/720 | 715nm | RG715 / RG780 | R-72 |
Key Advantages for Industrial Applications
- Precise Spectral Control: Sharp cut-off slope ensures minimal interference from stray visible light.
- Superior Heat Resistance: Ideal for high-power laser systems and industrial machine vision environments.
- Broad NIR Transmission: Peak transmittance >91% across the 750nm – 2500nm range.
- Optical Surface Quality: Standard 40/20 or 60/40 Scratch/Dig for precision imaging.
Need a Custom Transmission Curve or AR Coating?
Our engineers provide free spectral analysis and rapid prototyping for global manufacturers.
Email: [email protected] | WhatsApp: +86-18668971912
Technical FAQ – HB Series Longpass Filters
Q1: What are the international equivalents for HB series?
A: HB600 = Schott RG610/Hoya R-60; HB630 = Schott RG630; HB700 = Schott RG715.
A: HB600 = Schott RG610/Hoya R-60; HB630 = Schott RG630; HB700 = Schott RG715.
Q2: Do you support custom fabrication?
A: Yes, we provide custom sizing, CNC shaping, and optical coatings for all HB glass filters.
A: Yes, we provide custom sizing, CNC shaping, and optical coatings for all HB glass filters.
Q3: What is the lead time for prototypes?
A: We typically provide rapid prototyping within 3-7 business days for standard HB series materials.
A: We typically provide rapid prototyping within 3-7 business days for standard HB series materials.
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