KRS-6 (Thallium Bromo Chloride)
Infrared-transmitting crystal with improved durability over KRS-5
Infrared Transmission Crystal
KRS-6 is an infrared transmission crystal similar to KRS-5 but offering improved mechanical durability and environmental resistance. It is used in infrared windows and spectroscopy applications where extended IR transmission is required with slightly improved handling characteristics.
Is this material right for your application?
Use When:
Avoid When:
Consider Alternatives:
Broad IR transmission is required with improved durability over KRS-5
Spectroscopy systems operate in extended IR ranges
Mechanical handling requirements are slightly higher
Toxic materials can be safely managed
Environmental exposure is limited
Toxic material handling is not permitted
Mechanical robustness comparable to oxide crystals is required
Cost-sensitive applications dominate
KRS-5 – broader IR transmission
ZnSe – non-toxic, more robust IR optics
ZnS – durable IR windows
Key Properties
Optical
Broad infrared transmission
Mechanical
Improved durability over KRS-5
Environmental
Toxic
Limited environmental resistance
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Frequently asked questions about Barium Fluoride specifications and use-cases
FAQ
Q1. What wavelength range does KRS-6 support?
KRS-6 transmits from ~0.6 µm to ~30 µm.
Q2. How does KRS-6 compare to KRS-5?
KRS-6 has a shorter transmission range but is generally more durable.
Q3. Is KRS-6 hygroscopic?
Yes. Moisture protection is required.
Q4. What are common alternatives to KRS-6?
KRS-5, ZnSe, and Germanium.
Used in IR spectroscopy applications
Softer than oxide glasses
Contains thallium and requires careful handling