Professional Infrared Transmitting Filters - IR, RM, RT Series
HOYA Candeo Infrared Transmitting Filters provide precise infrared wavelength control for professional imaging, scientific research, thermal imaging, and industrial applications. Available in IR, RM, and RT series covering wavelengths from visible light cutoff to near-infrared transmission.
Key Features:
- High-precision infrared wavelength transmission control
- Professional-grade optical quality
- Standard 50×50mm square format
- 2.5mm thickness for enhanced durability
- Blocks visible light while transmitting infrared
- Ideal for IR photography, thermal imaging, night vision, and spectroscopy
Available Series:
- IR Series (IR76N to IR85N): Infrared pass filters from 760nm to 850nm
- RM Series (RM90, RM100): Red-infrared pass filters from 770nm to 1050nm
- RT Series (RT830): Specialized infrared transmission filter at 830nm
Technical Specifications
IR Series
| Item | Standard Value | Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| λT (nm) |
ΔλT (nm) |
TH (%) |
mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | S | |
| IR76N | 760±10 | <60 | – | 2.5 | 1.561 | 1 | 2 | 495 | 545 | 89 | 99 | 500 | 160 | 2.84 |
| IR80N | 800±10 | <60 | – | 2.5 | 1.563 | 1 | 3 | 495 | 550 | 87 | 100 | 500 | 160 | 2.85 |
| IR83N | 830±10 | <60 | – | 2.5 | 1.569 | 2 | 4 | 500 | 555 | 99 | 109 | 500 | 160 | 2.99 |
| IR85N | 850±10 | <60 | – | 2.5 | 1.572 | 1 | 4 | 490 | 535 | 92 | 102 | 500 | 150 | 3.02 |
RM90
| Item | Standard Value | Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| λ5 (nm) |
λ1200 (nm) |
mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | D | |
| RM90 | >770 | <1050 | 2.5 | * | 3 | 3 | 400 | 490 | 107 | 125 | 450 | 170 | 3.15 |
RM100
| Item | Standard Value | Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| λ5 (nm) |
λ1200 (nm) |
mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | d | |
| RM100 | >850 | 80±5 | 2.5 | 1.620 | 3 | 4 | 450 | 490 | 98 | 115 | 460 | 180 | 3.23 |
RT830
| Item | Standard Value | Thickness | Refractive Index | Chemical property | Thermal properties | Mechanical properties | Specific gravity | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T830 (%) |
T700 (%) |
T1200 (%) |
mm | 600nm | DW | DA | Tg | Ts | α -30/70 |
α 100/300 |
HK | FA | d | |
| RT830 | 82±5 | <5 | <1 | 2.5 | 1.536 | 1 | 1 | 545 | 605 | – | 101 | 510 | 140 | 2.75 |